four hoffman100+ factories verified

Cooltechx: Global Leader in Industrial & Precision CoolingCooltechx is a premier manufacturer of industrial air conditioners, energy storage thermal management systems, and precision cooling solutions. With 20+ years of innovation, 3 advanced manufacturing bases (Qingdao, Suzhou, Shenzhen), and exports to over 50 countries, we empower industries to optimize energy efficiency, ensure system stability, and support the global transition to a low-carbon future. Sustainability at Our CoreOur mission is to accelerate carbon neutrality through high-efficiency cooling technologies. We design products that integrate: Eco-friendly refrigerants (R134A, R513A, R454B)Energy-saving performance (up to 35% power savings)Clean energy compatibility (solar and wind ready)All core products are CE, UL, RoHS, ISO9001 certified and tested in our in-house enthalpy lab to simulate real-world performance under diverse environmental conditions. Energy Storage Thermal Management SolutionsTo meet the cooling demands of the fast-growing BESS (Battery Energy Storage System) industry, Cooltechx offers both air-cooled and liquid-cooled thermal management systems, specially designed for: Containerized lithium battery systems (LFP, NMC)C&I energy storage cabinetsOutdoor grid-connected unitsKey benefits: Intelligent temperature control from -20° C to +50° CRemote monitoring via RS485 / ModbusFlexible installation: Wall-mounted, rack-mounted, or integratedIP55/IP65 protection for outdoor deploymentsModels range from 1kW to 70kW+ cooling capacityOur systems are widely used in energy projects across the Middle East, Southeast Asia, and Europe. Precision Cooling for Data CentersCooltechx delivers mission-critical cooling for edge, modular, and hyperscale data centers, including: In-row cooling unitsRoom-based CRAC/CRAH systemsMini cooling units for edge computing and micro DCsRedundant N+1 configurationsWe also offer fluorine pump cooling technology, designed for ultra-high energy efficiency and low PUE. This solution significantly reduces power consumption in large-scale deployments while maintaining precise control over temperature and humidity (± 0.5° C / ± 5% RH). High-Precision Cooling for Sensitive ApplicationsWe also engineer custom precision cooling systems for: EV battery and inverter cabinetsMedical device enclosuresTelecom and 5G edge computing sitesIndustrial automation control panelsOur thermoelectric and inverter-based cooling units deliver: Compact sizes with high cooling densityLow-noise, low-vibration performanceDigital control and smart diagnosticsLong lifecycle (MTBF > 100, 000 hours)Smart Manufacturing + Global ServiceCooltechx's facilities operate under lean manufacturing and Industry 4.0 principles. We partner with world-class suppliers (Emerson, Schneider, Siemens, Infineon), and offer: OEM & ODM customizationGlobal delivery within 2-20 working daysOn-site installation, training & commissioning24/7 multilingual tech supportEvery product undergoes airtightness tests, full-process QA, and re-testing in our enthalpy lab, ensuring high durability even in desert, coastal, or high-altitude environments. Key Facts20+ years of engineering experience3 R&D + manufacturing bases in ChinaExported to 50+ countries100+ patents and proprietary technologiesUL, CE, ISO9001, RoHS certifiedIP54 / IP55 / IP56 / IP65-rated productsCooling capacity from 300W to 70kW+Cooltechx - Cooling Smarter. Powering Progress. Greening the Future.

We are engaged in the development, manufacture and sales of orthoedic implants and instruments. We are also the key enterprises for national medical apparatus and the director company of China Medical Apparatus Industry Association.

Ningbo ZhengFiltration Products Co., Ltd. is dedicated to the R&D and production of food-grade filtration materials, with a main focus on the series of filter paper products specifically for frying oil. The products are elaborately manufactured from food-grade raw materials, have passed authoritative third-party testing and certification, comply with FDA and GB standards, effectively prolong the service life of edible oil and guarantee food safety. The company is equipped with a 10, 000-level clean workshop, implements the ISO quality management system, and realizes standardized production processes. It is committed to providing efficient filtration solutions for food processing and catering chain enterprises, assisting customers in reducing costs and increasing efficiency through innovative technologies, and safeguarding the health and safety of end consumers.

Halstec Engineering Co., Ltd is a professional and high-tech enterprise for brick making machines and burning kilns. We own one experienced and powerful design team, who can undertake the turnkey projects, provide different customization according to customer land condition, capacity requirements, automatic degree, invetment etc. After around 20 years development, Halstec now has become one comprehensive company, which integrating the technology, design, manufacturing, and trading.

     Shaanxi Xinxing Building Materials Machinery Manufacturing Co., Ltd., a leading company specializing in the research, development, production, sales, and construction of kilns for brick-making machinery, has over three decades of experience dedicated to creating energy-efficient and environmentally friendly kiln brands. Leveraging advanced technology and extensive experience in the design and construction of brick kilns, the company has developed a construction management team with unique technical advantages, providing outstanding services to the brick and tile industry. The company's flagship product, the  Xinxing brand brick extrusion equipment, is widely recognized for its superior quality and excellent after-sales service, and is exported to over thirty countries and regions, The company has received numerous accolades, including being recognized as a trustworthy unit for consumers, an excellent enterprise, and one that honors contracts and values credit.

Young High Precision Part Co., Ltd (aka. Dongguan Yanqing Precision Co., Ltd. ) is a professional manufacturer focusing on designing, developing and producing of non-standard high precision metal parts applied on a variety of industries. We specialize in lathing/milling/CNC parts ranging from 1mm to 150mm in diameter and 3mm~1000mm in length. As to materials, Copper, Iron, Alumina alloys, Stainless steel(SUS304, SUS316, SUS630 (17-4pH), Hastelloy C276, KOVAR etc) and some industrial plastics like PVDF are all our specialties. For any tolerance demands, we can meet with medium and high precision tolerance up to ± 0.0025mm. Our hot-sell products are high precision pressure sensors, air sensors, photoelectric communication connectors, slip rings, laser heads, fiber optic splices, hydraulic drive parts, meter fittings, Medical probe housings and shafts.

Xi'an Brictec Engineering Co., Ltd was established in 2011. Since its establishment, the company has adhered to the corporate culture and spirit of "struggle-oriented, customer-centered" to serve domestic and foreign customers. The company's main business scope includes: (1) systematic design and technical consultation of sintered wall material production line; (2) EPC project of brick factory; (3) Natural gas burner and pulverized coal burner for brick factory; (4) R& D and manufacturing of brick production line machinery.

Decent Machinery mainly designs and manufactures HVAC Centrifugal fans and Axial flow fans, Mining blowers, Dust collectors, Mist fog cannon, Roots blowers, HVAC ventilation, which are applied to industrial systems, which is the senior member of General Machinery Industry Association.

Nanjing Brickmac Engineering Co Ltd is worldwide turn-key project provider and production equipment supplier for heavy clay/ceramic industry. We provide:

Zibo Jinhe Fan Co., Ltd. Was established on June 6, 2003, with its registered address in Wujia Village, Nanjiao Town, Zhoucun District. The legal representative is Wang Lindong. The business scope includes the design, manufacturing, and sales of fans, heads, pipeline descaling devices, and mining electromechanical equipment; Technical transformation, research and development, and consulting of fans and energy-saving equipment; Production and sales of explosion-proof electrical appliances; Pipeline descaling service; Maintenance of fans and accessories; Mechanical equipment engineering installation and maintenance; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)

Xi'an Mercury Machinery Co. Ltd. Is engaged in the reconstruction and modernization of old brick factory. We offer you the equipment and technology to build or modernize brick factories, including raw material survey, supply, supervision and commissioning of turnkey equipment with warranty testing. Brick firing and drying systems are realized both on gas and solid fuel (coal, petroleum coke, wood waste) or fuel oil.

QINGDAO WELHOME is a manufacturer specializing in HOME Furniture Series, Professional offers OEM and ODM services with more than 18 years export experience, since 2005, we've been doing OEM services to overseas online platforms and international home brand retailer, we have consistently followed for many years the quality and stability of cost-effective, good comments and credibility for overseas customers to create exclusive Furniture series, WELHOME is high-quality first choice for brand owners!

Dongguan Jinsen Craft Technology Co., Ltd. is located in Dongguan City, Guangdong Province. We are a group company with a professional team engaged in high-tech R&D and production of electronic products, and we are committed to becoming the best quality professional manufacturer of household appliances and kitchenware in China.

Henan 4.0 Automation Equipment Co., Ltd. is a manufacturer providing one-stop services for industrial automation. It primarily distributes the full range of industrial control products from brands such as Siemens, Schneider Electric, and ABB, and independently develops and manufactures GKONE brand distributed PLC I/O modules and frequency converters. Simultaneously, the company also engages in the production, R&D, and sales of low-voltage electrical products, including fan filters, heaters, temperature controllers, humidity controllers, control transformers, terminal blocks, cabinet lights, cable trays, and various accessories, and provides complete cabinet assembly services.

As a leading manufacturer of microscopes and industrial cameras. We offer a diverse selection of Monocular Zoom Microscopes, Biological microscopes, Stereo Microscopes, Portable Microscope, Industrial Inspection Microscope, Polarizing Microscopes, Metallurgical Microscopes, Fluorescence microscopes, Gemological Microscopes, Multi-Head Microscope, Comparison Microscope, LCD Digital Microscopes, USB Cameras, VGA Cameras, HDMI Digital Camera, Large LCD Digital Cameras etc.

We Hongyun Intelligent Equipment Co., Ltd. Are dedicated to the overall solution of large-scale production line of new energy-saving and environmentally friendly wall materials and the integration of high-end building resources.

Guangzhou Binpu Filter Material Co., Ltd. is a technology enterprise specializing in the research, development and production of filter materials. Our company has a professional R & D team and advanced testing equipment. The company mainly produces: Filter cloth, industrial filter paper, food filter paper, medical filter paper, liquid filter bag, air filter and other filter productsMain application industries: Refining, electroplating, petrochemical, steelmaking, electronics, pharmaceutical chemical, biopharmaceutical, frying oil, edible oil and other filtration. Our company to customer first, integrity-based, excellence of the business philosophy to create high quality, high quality, low price for the purpose, service new and old customers, welcome to guide!

Lumos Electric Co., Ltd boasts 15 years of industry experience and a production workshop exceeding 10, 000 square meters. We are dedicated to the research, development, production, and sales of fan filters, fans, air conditioners, thermostats, heaters, terminal blocks, cabinet lighting, and cabinet accessories.

Our company GEOTEC WUXI was established in the year 1989, which is now the leading manufacturer of diamond core drilling equipment and tools in China.

Yilin Glass Manufacturing Co., Ltd, one of Chinese leading glass processing manufacturers, established in 2001, located in Suzhou city, near Shanghai sea port, with 162 employees, including 18 engineers, specialized in manufacturing tempered glass (toughened glass), insulated glass, laminated glass, color pattern printed glass, U glass, fireproof borosilicate glass. They are widely used for

Great Wall Filtration Introduction

Yishen Machinery was founded in 2020, the company is located in Zhengzhou, Henan Province. We mainly produce oil press, oil refining machine, brick machine, agricultural machinery, mining machinery. We have oil press, oil refining machine, brick machine, agricultural machinery, mining machinery industry leading manufacturing technology, new oil press, refining, brick machine, mining machinery research and development capabilities, products have CE certificate, equipment passed ISO9001; 2000 quality system certification, the company team is committed to research and development and innovation of grain and oil equipment, brick making equipment, mining equipment. Yishen Machinery can provide complete pre-sales answers, after-sales support, lead customers to visit our production workshop, the company's products are currently exported to Eastern Europe, Pakistan, the Middle East, South Africa, cooperation with many customers, perfect after-sales service so that we have a good reputation in the industry. We are committed to environmental protection and contribute to the protection of the earth.

Zoomfine is a versatile and innovative company that excels in the fields of central air conditioning and cleanroom equipment, ventilation manufacturing. Asia Pacific Central Air Conditioning, which was established in 1994, has undergone remarkable growth over the last decade. Initially, the company focused on producing basic terminal equipment, but it has since transformed into a prominent player in the central air conditioning industry.

Shandong YMTC Home Decor Co., Ltd. ‌

Chunshucooling is a professional supplier of precision refrigeration and temperature control equipment. Provide complete and diverse cooling solutions for Telecom, Industrial Automation, BESS, Shenter&Container, Date center, air cooler chiller and so on.

Qingdao Chenyang Machinery MFG Co., Ltd. Was established in 1997 year, which is a new developed high technology manufacturer. Our general company locates in Qingdao Automobile New City with workshop area 45, 000m² , and branch locates in Qingdao Environmental Industrial Park with workshop area 12, 000m² . We have employees 182 people totally with 25 management people and 27 senior certificated technicians. The company has 4 producing Dept. Including Sheet Metal workshop, Die casting, CNC machining, mold injection, sheet metal department involves laser cutting, bending, welding, pressing revits, powder coating, painting, assembling etc.

Xiamen ALV is a joint venture group that specializes in manufacturing and selling metal building materials. We have a strong presence in the steel structure, aluminum profile industries with 15 years of experience.

Hunan Langle Technology Co., Ltd was founded in 2013, we are the China manufacturer focus on building systems for industrial applications, non-standard automation, workstations, machine guards, Stairs & Platforms, Metal Fence, Display rack, etc.

BIOBASE is a professional manufacturer whose business covers laboratory equipment, medical device, engineering project and cosmetics. With more than 3, 000 employees, 25+ factories, BIOBASE has established overseas branches in USA, UAE, Singapore, Kazakhstan, India and other countries. BIOBASE has long-term business partners in 190+ countries. BIOBASE can provide one-stop solutions for laboratory and medical fields. Main products include biological safety cabinet, laminar flow cabinet, fume hood, refrigerator&freezer, autoclave, oven, incubator, centrifuge, wheel chair, hospital, bed, IVD instrument, clean room project, etc. BIOBASE would like to establish win-win business cooperation with distributors all over the world. FAQ: 1. Why choose BIOBASE? We are the leading manufacture in lab furniture and lab equipment, OEM & ODM service are offered. And we have our own overseas technician and installation team. 2. When can I get the price? We usually quote as soon as we get your inquiry. If you need urgent reply, please tell us your email or Skype account, we will contact you ASAP. 3. What can you buy from us? Laboratory Equipment (Biological Safety Cabinet, Fume Hood, Laminar Flow Cabinet, Autoclave, Freezer and Refrigerator)4. Why should you buy from us not from other suppliers? BIOBASE group, founded in 1999 and been through high and stable development for 15 years, who is now with revenues of one hundred million, 1200 employees in China and abroad offices, 22.4 acres land industry parks and 20000 square meters production base. 5. What services can we provide? Please do not worry, manual user will be sent together, you can also contact us with more technological support. 6. How can get the shipping cost? You tell us your destination port or delivery address, we check the Sea Freight, Air Freight or Express Freight for you based on your requirement. 7. How to deal with the faulty? First, our products are produced in strict quality control system, but if any faulty, we'll send new spare parts for free in 1 warranty year. Secondly, our after-sales department will periodically follow up customers. 8. How long is the quotation valid? In general, our prices are valid for one month from the date of quotation. Prices will be adjusted appropriately based on price fluctuations in raw materials and market changes. 9. What kind of guarantee do you offer? We provide 1 year warranty for all our items. 10. Do you accept OEM (Original Equipment Manufacturer) service? Yes we accept any OEM service since we are a professional manufacturer for medical equipment with about more than 10 years of OEM experiences.

Sunshine Building Materials Co., Ltd., established in 2013 and located in Fuzhou city, is a professional One-Stop Service Enterprise based in China.