HomeSupplier Discoveryarrow-rightHealth & Medicinearrow-rightDisposable Medical Suppliesarrow-rightEthylene Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about ethylene
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

ethylene3,000+ factories verified

Wuhan Zhongxin Ruiyuan Gas Co., Ltd

10 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Helium, Helium Gas, Liquid Helium, Helium for Balloon
Country/Region:
Hubei, China
R&D Capacity:
OEM Service
Company Profile:
Wuhan Zhongxin Ruiyuan Gas Co., Ltd. Was established in 2017. The company specializes in the distribution of specialty gases, rare gases, high-purity gases, organic gases, and industrial gases. We are experts in customizing gas mixtures and standard gases for various industries, while also providing related gas equipment and engineering installation services. As a professional gas company integrating both sales and technical services, we are committed to a business philosophy that prioritizes safety, values service, ensures superior quality, and offers reasonable pricing. We primarily serve clients in fields such as scientific research institutions, biopharmaceuticals, high-end manufacturing, and inspection and testing.

Shandong Aivk Chemical Co., Ltd

Main Products:
Chemical, Rubber Conveyor Belt
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Avik Chemical Co., Ltd. is located in Guangrao County, Shandong Province, a famous production base of chemical and rubber products in China. The company is located in a beautiful environment, pleasant climate and convenient transportation. The company relies on rich chemical resources to produce all kinds of chemical products and other rubber products. At present, the company has formed a cross regional and cross industry group company integrating production and trade.

Hubei Mingwanxing Technology Co., Ltd.

Main Products:
Gas Cylinder, Specialty Gas, Industrial Gas, Liquid Gas, O2, Nh3, He, C2h4, Ar, Sf6
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hubei Mingwanxing Technology Co., Ltd. is a professional gas products supplier founded by an experienced team of gas industry experts. With decades of combined expertise in gas production, purification, and supply chain management, we are dedicated to delivering high-quality gas solutions to customers worldwide.

Jiangsu Huazhong Gas Co., Ltd.

5.0
Main Products:
Gas, Industrial Gas, Cream Chargers, Helium, N2o, Silane, Sf6, Co, Carbon Dioxide, C2h4
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Huazhong Gas Co., Ltd. Was established in 2000, with 274 employees, including more than 150 senior technical talents and young backbone talents. The main business includes sales of bulk high purity special gas, electronic grade gas, on-site gas production engineering, logistics transportation of dangerous chemicals, providing customers with a variety of gases and one-stop professional gas supply solutions.

Jiangsu Kaimei Electronic Materials Co., Ltd.

11 yrs
·Trading Company
Main Products:
Electronic Gas Disinfectant
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Company Profile:
Jiangsu Kaimei Electronic Materials Co., Ltd. Belongs to Jiangxi Hechun Electronic Materials Technology Co., Ltd., the production base is located in Jiujiang City, Jiangxi Province, Hukou high-tech Development Zone, and in Henan Luoyang, Shaanxi Xi 'an, Guangdong Guangzhou, Jiangsu Wuxi and other places with branch storage.

Shanghai Zhongyida New Materials Co., Ltd

16 yrs
·Trading Company
Main Products:
Semiconductor Gas, Medical Gas, Industrial Gas, Precursors, Special Gas, Rare Gas, Xenon Gas, Helium Gas, N2o, Cream Charger
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai Zhongyida New Materials Gas Co., Ltd. is a renowned manufacturer and global exporter, producing various industrial, specialty, electronic, and medical gases. Our products are used in chemical, shipbuilding, electronics, fiber optic communication, machinery manufacturing, food, medical, solar photovoltaic LED, Industries such as aerospace and scientific research play a crucial role. We specialize in providing a wide range of steel cylinder gases, electronic gases, and comprehensive equipment, including gas cylinders, panels, valves, and accessories. Our highly acclaimed engineering services are highly valued by both Chinese and global clients. Our unwavering mission is to cultivate global partnerships, provide innovative, reliable, and secure products, and offer specialized support and tailored solutions. Our product range is extensive, including: H2, O2, N2, Ar, CO2, propane, acetylene, helium, laser gas mixtures SiH4, SiH2Cl2, SiHCl3, SiCl4, NH3, CF4, NF3, SF6, HCl, N2O, Doping gas mixtures (such as TMB, pH3, and B2H6), xenon, neon, krypton, various advanced electronic gases.

Chengdu Hongjin Chemical Co., Ltd.

Main Products:
Industrial Gases, Specialty Gases, Electronic Gases, Medical Gases, Rare Gases, Mixture Gases
Country/Region:
Sichuan, China
Company Profile:
Chengdu Hongjin Chemical Co., Ltd, founded in 2005 and headquartered in Chengdu, Sichuan Province, is a gas company integrating production, research and development, sales (gases and equipment) as a whole, and it is the earlier company in Southwest China to start focusing on the supply of special gases. Hongjin Chemical has more than one hundred kinds of products in several categories such as bulk gases, electronic special gases, standard gases, special gases and isotopes, etc., which are widely used in many fields such as goldsmithing, chemical industry, shipbuilding, electronics, fiber-optic communication, machinery manufacturing, food, medical, solar photovoltaic, LED, aerospace, scientific research and experimentation, pharmaceutical production, electric power and water conservancy, semiconductors and so on.

Hubei Co-Formula Material Tech Co., Ltd.

Main Products:
Silane Coupling Agents, Silicone Polymers, Silane Adhesion Promoters, Specialty Silanes, Crosslinking Agents, Specialty Siloxanes, Water-Based Silanes, Silicone Oligomers, Waterproofing Agents, Coating Additives
Country/Region:
Hubei, China
Sample Service:
Sample Available
Company Profile:
Hubei Co-Formula Material Tech Co., Ltd. is recognized globally as an ISO certified manufacturer and a reliable supplier of organosilicon materials. Since its establishment, Co-Formula has been involved in the organic silicone industry, mainly focused on production and marketing of functional silanes, silicone fluids, silicone polymers and additives.

Shanghai Worldyang Chemical Co., Ltd.

15 yrs·5.0
·Trading Company
Main Products:
Intermediates, Chemical Products, Biological Buffers, Hormones
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai worldyang chemical Co., Ltd is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shanghai worldyang chemical Co., Ltd. is located in Shanghai China. We obtained ISO 9001 in 2014. As an I s o 9 0 0 1: 2 0 0 8 quality system approved company, we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.

Chengdu Taiyu Industrial Gases Co., Ltd.

15 yrs
·Trading Company
Main Products:
Specialty Gases, Industrial Gases, Electronic Gases, Mixture Gases
Country/Region:
Sichuan, China
Sample Service:
Sample Available
Company Profile:
Chengdu Taiyu Industrial Gases Co., Ltd. Established in 2002, is a professional supplier engaged in the sale and service of Specialty Gases, Industrial Gases, Electronic Gases, Mixture gases.

Shandong Baovi Energy Technology Co., Ltd

11 yrs·4.2
·Trading Company
Main Products:
Ethanol, Glycerin, Ethylene Glycol, EGDA, Xylene, Propylene Glycol, Isopropyl Alcohol, Toluene
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Shandong Baovi Energy Technology Co., Ltd. (the Company), located in Jinan City, Shandong Province, was founded in 2003, and it is a raw material supplier for the global organic chemical industry. The Company also participates in the production of small quantity of high value-added chemicals and intermediates.

Hebei Youlilai New Material Technology Co., Ltd

2 yrs·4.0
·Trading Company
Main Products:
Sodium Lauryl Ether Sulfate, Linear Alkyl Benzene Sulphonic Acid, Coconut Diethanolamide, Fatty Alcohol Polyoxyethylene Ether, Sodium Laury Sulfate
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hebei Youlilai is a company specialized in manufacturing surfactants and its allied products. The factory is located Hebei province. Main products are Sodium Lauryl Ether Sulphate (SLES), Linear Alkyl Benzenesulphonic Acid(LABSA), Cocamide Dea(CDEA), Sodium alpha-olefin Sulfonate (AOS) and Sodium Lauryl Sulphate (SLS K12), Glycerin, Soap noodles etc.

Qingdao Ruiming Blue Sky Energy Co., Ltd.

Main Products:
Nitrous Oxide, Helium Gas, Ethylene Gas, Argon Gas, Carbon Monoxide, ISO Tank Container, N2o Cream Charger, CO2 Tank, Oxygen Cylinders, Helium Gas Cylinder
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Ruiming Gas is a large-scale professional gas company dedicated to China's industrial development. Our office is located in Qingdao, Shandong. After more than 15 years of development, our business has now spread all over the country and overseas.

Shandong Yizhong Industrial Co., Ltd

5.0
·Manufacturer/Factory
Main Products:
Yds Liquid Nitrogen Container / Tank / Cylinder, Blast Freezer /IQF Freezer /Tunnel Freezer, Industrial Gases Laboratory Gases, Food Grade Carbon Dioxide, Gas Cylinder /Tank Container /ISO Tank, Ethylene Sulfur Dioxide Argon, Liquid Nitrogen Doser, Oxygen Generators, Alarm Devices for Gas Safety, Vaporizers Pressure Relief Valves
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yizhong Industrial is a professional and comprehensive provider of essential industrial gases and related equipment. Everyday, Yizhong Industrial is positively influencing the lives of global consumers. We focus on serving energy, environment, and emerging markets, providing necessary industrial gases, related equipment, and application expertise to customers in dozens of industries such as refining, chemical, metal, electronics, manufacturing, and food and beverage.

Shandong Kaiyue Chemical Co., Ltd.

15 yrs
·Trading Company
Main Products:
Chemicals, Daily Chemicals, Auxiliary Chemicals, Additive,Watertreatment Chemicals, Organic Acid,Silicone, Fire Retardant, Laboratory customization
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Shandong Kaiyue Chemical Co., Ltd., strategically situated in the vibrant chemical industrial heartland of Shandong Province, stands as a premier high-tech enterprise seamlessly integrating cutting-edge scientific research, large-scale manufacturing, and global commercial distribution. Since our inception, we have remained steadfast in our mission to redefine industry standards within the fine chemical and pharmaceutical intermediate sectors, driven by our core values of technological innovation, uncompromising quality, and integrity-based cooperation. Leveraging the robust industrial infrastructure and multimodal logistics advantages of our location, Shandong Kaiyue Chemical has established a sprawling, state-of-the-art industrial park characterized by modern layout planning and advanced manufacturing capabilities. We specialize in the development and production of high-value metal alkoxides, including high-purity magnesium and lithium alkoxides, as well as specialized organic solvents and sophisticated synthesis intermediates, positioning ourselves as a market leader in these niche segments. Our manufacturing philosophy embraces the "Industry 4.0" revolution, featuring fully automated production lines equipped with Distributed Control Systems (DCS) and Safety Instrumented Systems (SIS). This digital integration allows for precise monitoring of reaction parameters from raw material feeding to final packaging, thereby ensuring intrinsic safety, maximizing operational efficiency, and guaranteeing exceptional batch-to-batch consistency that meets the stringent requirements of top-tier global clients. Innovation serves as the cornerstone of our growth; Our provincial-level technology center is staffed by an elite R&D team comprising industry veterans and PhD experts, supported by a comprehensive array of analytical instruments such as GC, HPLC, and moisture analyzers. We actively foster strategic "Industry-University-Research" collaborations with prestigious academic institutions to accelerate the commercialization of new technologies, particularly in chiral synthesis and green catalysis. Quality is ingrained in our corporate DNA; We rigorously adhere to ISO9001 Quality, ISO14001 Environmental, and ISO45001 Occupational Health and Safety management systems. Our holistic quality assurance protocol spans the entire value chain, ensuring that every product delivering to our customers is of the highest caliber. Consequently, our products enjoy a strong reputation across more than thirty countries and regions, including Japan, South Korea, the United States, and the European Union, finding critical applications in biopharmaceuticals, new energy lithium batteries, and electronic materials. Committed to sustainable development, we invest significantly in environmental protection facilities to achieve eco-friendly operations, striving to build a green benchmark factory. Looking forward, Shandong Kaiyue Chemical Co., Ltd. is dedicated to expanding its global footprint and deepening technical expertise to provide unparalleled chemical solutions to the world.

Chengdu Taiyu Industrial Gases Co., Ltd.

15 yrs·5.0
·Trading Company
Main Products:
Industrial Gas; Special Gas; Rare Gas; Mixture Gas
Country/Region:
Sichuan, China
Company Profile:
Chengdu Taiyu Industrial Gases Co., Ltd is short as "TYHJ". "TY", Taiyu Gas, On the Top of "Mount TAI", "HJ", HongJin Gas, a bright future. TYHJ was established in 2002, started with industrial gases oxygen, nitrogen and argon. In 2007, TYHJ turned to the field of specialty gases. In 2019, the turnover reached 1.1 million US dollars in one fell swoop. Now we have become a leading gas supplier, which is closely related to Pragmatic, Upright, Enterprising, Altruistic corporate cuture.

Ningbo DSW International Co., Ltd.

23 yrs
·Trading Company
Main Products:
Oxygen Cylinder, Oxygen Regulator, Gas Cylinder, Oxygen Gas Cylinder, Oxygen Tank, Storage Tank, Cryogenic Tank, Oxygen Plant, Gas Regulator, Eo Gases
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Established in 1998. Our company possesses three production lines for production of various seamless gas cylinders. The Total five working line make 3000 PCS per day for oxygen gas cylinder, argon gas cylinder, helium gas cylinder, Nitrogen gas cylinder, CO2 gas cylinder, N2O gas cylinder...The etc.

Hainan Sincere Industries Co., Ltd.

4.7
Main Products:
Ethylmorpholine, Acetylmorpholine, Glycolic Acid, Diethyl Ethoxymethylenemalonate, 1 Butyl 3-Methylimidazolium Chloride, Hexamethyldisilazane, Chitosan, DOP, Succinic Acid, EDTA 4na
Country/Region:
Hainan, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Company Profile

Chengdu First Industrial Gas Co., Ltd.

4 yrs·5.0
·Trading Company
Main Products:
Industrial Gas, Special Gas, Rare Gas, Mixture Gas, Ethylene, Methane, Silane, Carbon Monoxide
Country/Region:
Sichuan, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Chengdu Taiyu Industrial Gases Co., Ltd. Established in 2 0 0 2, is a professional Supplier engaged in the sale and service of Specialty Gases, Industrial Gases, Electronic Gases, Mixture gases.

LK (NANJING) CO., LTD.

Main Products:
Sodium Lauryl Ether Sulfate (SLES), Linear Alkyl Benzene Sulphonic Acid (LABSA), Sodium Polyacrylate, Ethylene Diamine Tetraacetic Acid (EDTA), Modified Sodium Disilicate (Msd), Active Poly Sodium Metasilicate (Apsm), Sodium Silicate Powder/ Lumps, Potassium Silicate Powder, Mono Penta-Erythritol, Detergent Beads (Laundry Pods)
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
LK (Nanjing) Co., Ltd. is the initial member of the brand name RAWCHEM, established in 2008, served as the representative office of an European comprehensive trading company in its early years, mainly dealing with the import and export business of raw chemical materials for the detergent industry, now we have become an industrial company, focused on the detergent industry.

Suzhou Manson Tech Inc.

5.0
Main Products:
L-Glutathione Reduced, Nmn(Nicotinamide Mononucleotide), Tranexamic Acid, Nr-Cl, Vc-IP(Ascorbyl Tetraisopalmitate), Minoxidil, Q10, Citicoline, 3-O-Ethyl-L-Ascorbic Acid, S-Acetyl-L-Glutathione
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Suzhou Manson Tech Inc. is a one-stop solution provider for cosmetic and health supplement ingredients, supplying products to every corner of the world, including Europe, North America, Southeast Asia, Oceania, Africa, and beyond.

Xiamen Baixu Chemical Industry Co., Ltd

16 yrs
·Trading Company
Main Products:
Toluene Diisocynate, Polymerized MDI, Polyether polyol, Polymer polyol, Amine 33, Silicone, Bisphenol A(BPA, PURIFIED ISOPHTHALIC ACID (PIA)
Country/Region:
Fujian, China
Sample Service:
Sample Available
Company Profile:
Holding the values of honesty, creativity, sharing and progress, Xiamen BaiXu Chemical Industry Co., Ltd specializes in raw materials of chemical products, including two independent departments of polyurethane and resin. By cooperating with factory, and unifying sales, we are an standardized trading company of integrated foreign and domestic trades.

Maotoogas Equipments (Shanghai) Co., Ltd.

13 yrs
·Trading Company
Main Products:
Mixed Gas, High Purity Gas, Electronic Gas, Gas Cylinder
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
MAOTOOGAS EQUIPMENTS (Shanghai) Co., Ltd. Was founded in 2008, a wholly-owned subsidiary of Hong Kong Maotoogas, specializing in the production and sales of mixed gas, high-purity gas, electronic gas, isotope gas and other gas products, as well as gas pipeline supporting engineering services!

Dalian Sinobio Chemistry Co., Ltd.

5.0
Main Products:
ATMP, NMP, Glutaraldehyde, Trixylyl Phosphate CAS 25155-23-1 Txp, Bronopol, Cmit/Mit 14%, Dbnpa, Zinc Pyrithione, Ipbc
Country/Region:
Liaoning, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dalian Sinobio Chemistry Co., Ltd was established in 2011 and located in beautiful costal city, We focus on biocides and water treatment produc tion export over 14years.

Qinmu Biotechnology (Jinan) Co., Ltd.

Main Products:
Organic Intermediate, Additive, Cosmetic Raw Materials, Spice, Polymer, 3-Mercaptopropionic Acid, Thioglycolic Acid, 1 3-Dimethyladamantane, 1-Bromo-3 5-Dimethyladamantane
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Founded in 2008, Qinmu Biochem, whose holding company - Qinmu Fine Chemical Group Co., Ltd. is located in Jinan city, China. Qinmuchem is a comprehensive enterprise integrating R&D, production and sales with two R&D laboratories centers in Jinan city and Yuncheng city respectively, with more than 20 engineers, including 5 doctoral and 15 postgraduate ones, with a total laboratory area more than 3, 500 square meters. The factory is located in Laohekou City, covering an area of more than 40 acres, with a total number of more than 100 employees. The factory has more than 40 pieces of reactors of various sizes and volumes, centrifuges, dryers, 20-meter rectification towers as well as different kinds of imported advanced production equipment and testing instruments. Over the years, the company has been deeply engaged in the chemical market and its customers include many well-known chemical companies around the world, and its products are exported to Europe, North America and the surrounding areas of Asia. Customers such as Novartis, Korea BASF, Japan Darcel and India Gujarat Fluorine Chemical and so on.

Ningbo Samreal Chemical Co., Ltd.

5.0
Main Products:
Pharmaceuticalsl and Intermediates, Organic Chemical, Food Additive
Country/Region:
Zhejiang, China
Sample Service:
Sample Available
Company Profile:
Ningbo Samreal Chemical Co., Ltd, authorized by Zhejiang Foreign Trade & Economic Bureau is specialized in manufacturing and exporting chemical products. We have our own chemical factory and have close cooperating relationship with many qualified manufactures. We also own a professional trading staff team. So we have ability to provide our customers with qualified products and good services.

Inner Mongolia Jingyichao Chemical Co., Ltd.

7 yrs
·Trading Company
Main Products:
Calcium Carbide
Country/Region:
InnerMongolia, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Inner Mongolia Jingyichao Chemical Co., Ltd. is a professional manufacturer and exporter of calcium carbide, located in Inner Mongolia, China - one of the major production bases of calcium carbide worldwide.

Hubei Highwin New Material Technology Co., Ltd

4 yrs·5.0
·Trading Company
Main Products:
Epoxy Resin 128, Alkyl(C12-C14) Glycidyl Ether, BenzylL Alcohol, Benzaldehyde, Benzoic Acid, Styrenated Phenol, Methyl Ethyl Ketoxime (MEKO)
Country/Region:
Hubei, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Hubei Highwin New Material Technology Co., Ltd. Focuses on the research and development, production and sales of epoxy resin and other chemical raw materials. We have been rooted in chemical raw materials for more than 20 years and have already been one of the top suppliers in China after years of efforts. There are a group of hard-working, motivated, and creative staff working not only for the company but also for you-our respectable customer and partner! Based on good service and high-quality products, we're widely praised and trusted by customers and keep long-lasting relationships with them.

Jinan Finer Chemical Co., Ltd.

5.0
Main Products:
Carbohydrazide, O-Phthalaldehyde, 4-Hydroxy Tempo, EDC. HCl, Terephthalaldehyde, 9-Fluorenone, Hfip, Pimelic Acid, Sodium Tetraphenylboron, Mequinol
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Jinan Finer Chemical Co., Ltd is professional to manufacture and R&D chemical intermediates, pharmaceutical intermediates and fine chemicals. Company locates in Jinan city new material industry park which is approved by Shandong province government, so the company has great advantages in enterprise credit, finance security, product quality control and cargo export. The pharmaceutical intermediates are mainly applied to anti-cancer, anti-depression, cardiovascular, diabetes and other new medicine. The chemical intermediates mainly refer to heterocyclics and OLED intermediates. The company built new factory to produce new fine chemical materials which are mainly used in water treatment, bactericidal and anti-corrosion, dyes, electronic materials and other industry fields. Finerchem has export & import license, and hazard chemical sales license. The products are exported to America, Brazil, South Korea, Japan, Taiwan, Malaysia, Thailand, Indonesia, Europe union and other countries or regions. Under rich experiences and excellent international reputation, the company becomes a quite influential enterprise in China's chemical field. FinerChem sincerely look forward to establishing long good cooperation with our customers from all over the world. Company Vision: Jinan Finer Chemical Co., Ltd shall become the first supplier in pharmaceutical and chemical field, and we achieve a leadership position by: Assuring high quality and timely delivery at competitive price. Providing customized solutions and service to meet changing requirement of customers. Choose the best and the most flexible manufacturing practices and methods. Communicate with customers to know their quality and application requirements. Provide the packages of solution of chemicals international trade, including chemicals purchasing, testing, logistics and auditing.