rohs test instruments3,000+ factories verified

Haida established in 2004 in Dongguan City, where is the "silicon valley" of world manufacturing industry. It is a certified national high-tech enterprise engaged in design, research and development, production, sales, calibration and after-sale service of test equipment, such as paper&packaging test equipment, Furniture test equipment, material mechanics test equipment, optical measurement equipment, environmental reliability testing equipment etc. With the persistent efforts of all staff, Haida owned 4 factories with total 60, 000 square meters, 15 branch offices covers South China, North China, East China, Central China and Northwest China, as well over 20 overseas after-sales service sites covers Southeast Asia, Europe, North America and the Middle East with over 28, 000 customers.

Hengfeng Electric power equipment(Jinan) Co., Ltd is established in year of 2006, located at Jinan city, Shandong province, China. Hengfeng Electric is a professional manufacturer engaged in the research development production, sale and service of electric power systems.

Hangzhou CHNSpec is a lhigh-quality brand in the field of color and appearance measure device. It is mainly engaged in the R & D, production and sales of color detection equipment. Its products include precision color difference meter, spectrophotometer, gloss meter, Hazemeter and color matching software. It is widely used in printing, coating, auto parts, metal, household appliances and other industries and scientific research institutions at home and abroad

NOBOTECH is a high-tech group specializing in the design, R&D, production, sales, and service of environmental monitoring solutions. The company has offices in Shanghai and Guangzhou, with a factory and R&D center in Nanning, Guangxi, covering an area of over 3, 000 square meters. We focus on the independent development of intelligent analytical instruments, integrating technologies such as the IotNobo IoT platform, cloud services, and AI agent models. Our products measure parameters including pH/ORP, dissolved oxygen, conductivity, residual chlorine, ozone, turbidity, COD, ammonia nitrogen, total phosphorus, total nitrogen, chlorophyll, blue-green algae, color, air pressure, wind speed, wind direction, soil temperature and humidity, and soil NPK, etc. NOBOTECH has built a comprehensive solution system for scenarios like water quality monitoring, meteorological monitoring, soil moisture monitoring, and scientific research, providing full-chain digital support for urban governance, ecological protection, industrial production, and public health.

Jinan Kosemo Precision Instruments Co., Ltd. is a professional enterprise engaged in the R&D, production and sales of airtightness testing equipment and related supporting services. The company mainly focuses on the R&D, production and sales of airtightness testing equipment, with core products including airtightness testers, hydrogen leak detector, trace oxygen analyzer, aerosol generator, air flow leak tester, air microbial sampler, customized sealing test bench, waterproof testing equipment, flow meters and other related testing instruments. At present, the company's products have been widely used in various fields, and some products are exported to overseas markets such as the Middle East and Southeast Asia, winning widespread recognition from customers at home and abroad. The company will always adhere to the concept of technological innovation, continuously improve product quality and service level, and provide professional, efficient and reliable testing solutions for all walks of life.

Company introduction

Our company is a professional manufacturer of laboratory products, engaged in the production, development and sales of high-tech trace analytical laboratory containers, to fill the gap in China.

Kunshan Noah Environmental Protection Technology Co., Ltd

Shanghai PINYAN TECHNOLOGY M&C Co., Ltd, the earliest professional manufacturer integrated R&D, Production and sales in China, is specialized at manufacturing Rogowski coils, integrator and power meter, power quality analyzer with proprietary intellectual property rights. We also provide technical support and hardware equipment for comprehensive solutions of power monitoring, IOT, smart grid and cloud server.

Macy(China) Instruments Inc is part of Shanghai Macylab Instrument Inc, is a high-tech enterprise with independent intellectual property rights. Macy hold the pioneering concept "technology - because you change ", and as a business purpose, and constantly explore, bold innovation. Especially in the field of analytical instruments, Macy constantly develop advanced products that enable Macy to become a high-quality instrument resource supplier and leader.

Wuhan Kaidi Zhengda Electric is a high-tech enterprise integrating research and development, production and sales of power testing equipment, instruments and power online monitoring systems. Provide a variety of types of high-tech power testing products, and in high voltage testing to provide users with a full set of electrical test equipment, to solve the power equipment supporting solutions.

Wuhan Hertz Electric Power Equipment Co., Ltd. Was established in 2017. The company originated from a team of senior engineers from Wuhan High Voltage Institute and professors from Huazhong University of Science and Technology, formed in 1993. The company primarily focuses on the research and development of power testing equipment such as lightning impulse generators, partial discharge test devices, high current temperature rise systems, transformer comprehensive test systems, switchgear comprehensive test systems, and motor comprehensive test systems. It also extends its services to shielding room design and installation, grounding design, and construction, offering a comprehensive service platform. Currently, the company boasts two major bases: The Optics Valley Electromechanical Industry Park production and testing base, and the Science and Innovation Center office and R&D base.

Skyray Instrument is the biggest manufacturer of XRF spectrometers in the world. We are also one of the leading suppliers in the globe for various kinds of analytical and scientific instruments.

MiTech Metrology is an innovative company specialized in total measurement solution offering, mainly focus on metrology technical research, measurement instrument development and OEM, ODM, as well as wholesales business

Atech sensor co, . Ltd. specializes in sensor production and sales. The main products includes pressure sensor and transmitter, Level transmitter, pressure gauge, melt pressure transmitter, temperture sensor, pressure transducer, oil pressure sensor, Explosion proof pressure transducer, low-pressure transducer, Commerical Marine pressure transducer, Fuel pressure & Fuel tank pressure sensor, Liquidpressure sensor, ect. As manufacturer, based on technology innovation, good production capacity and strict quality control, we can meet different customers' OEM and ODM demands. As a manufacturer and exporter, we provide the best products with our rich experience and perfessional technoloty for our customers. Best Value = High Quality Product + Competitive Price + Professional Service + Fast Delivery + Long time InsuranceAtech sensor is 100% vertically integrated with engineering, manufacturing, sales & marketing and customer service all supported from within our one facility. All critical components and steps in the manufacture, assembly and testing of a Atech pressure instrument are in our hands and are carefully monitored to ensure that we meet your critical specifications precisely and consistently.

Xiamen Foyum Electronic Technology Co., Ltd. is committed to the comprehensive research, development, manufacturing, and sales of electronic product suites such as Intelligent remote control receivers, RF Remote Control, Electronic components, explosion-proof motors, sliding door motors, swing door motors, tubular motors, intelligent door locks, reserve power supplies, and electric roller shutter door motors. It also integrates e-commerce and trade services to form an integrated production system. Especially in the design and production of ODM&OEM capabilities for RF wireless products.

Sailham Equipment (Dongguan) Co., Ltd. is a leading manufacturer that specializes in manufacturing and marketing the cost effective and reliable environmental test chambers, such as: Temperature and Humidity Chamber series, Highly accelerating tester series, Salt Spray Chamber, Vacuum Oven, Walk-in chamber, Thermal Shock Chamber, Ageing Testing series and so on, mechanical tester such as Universal testing machine, dropt tester, vibration test table, falling ball impact tester etc...Many of the environmental test chambers built include optional features or customization to exactly fit the customer's application.

Xian Lonn M&E Equipment Co., Ltd. is a wholly owned subsidiary of SHENZHEN LONNMETER GROUP and a high-tech enterprise specializing in the development, manufacturing, and global supply of intelligent measurement instruments.

Guangdong Threenh Technology Co., Ltd. And Shenzhen TILO Technology Co., Ltd. Was found in 1998, and we have 3 factories, about 15000 square meters, seperately in Guangzhou and Huizhou of Guangdong Province, and the third one in Jiangxi Province and many offices in China like Shanghai, Shenzhen, Hangzhou, Qinigdao, Beijing, etc. We are specializes in the R&D, production and sales of colorimeter, spectrophotometer, color density meter, gloss meter, color light box, color proof table, coating thickness gauge, ISO test chart, etc., which is the leading producer in the color and glossy surface measurement field in China. We are also the national high technology enterprise. Till now we have received more than 30 patents and passed CE, ISO 9001, RoHS, FCC, TUV etc certifications. We also can support OEM&ODM service for free for all over the world customers.

Hongtuo Instrument Co., Ltd., formerly established in 2002, was mainly engaged in OEM production of density instruments. In 2010, we established DahoMeter, the exclusive brand of density meter. In the same year, we started to incorporate HongTuo Instrument Company and setup the business division of physical testing instruments. The division is specialized in the R& D, production and sales of various physical testing instruments and environmental testing instruments.

Shijiazhuang Sanli Grain Sorting Machinery Co., Ltd. Has been engaged in design and manufacture of seed screening machinery and agricultural and sideline product processing equipment for more than ten years. It is a domestic important manufacturer of sorting machinery with powerful technical force, strong R&D capability, advanced equipment and exquisite technology. Our products are well sold all over China, and some are exported. Meanwhile, our company is director unit of Seed Processing Branch of China National Seed Association and member unit of Seed & Grain Processing Equipment Branch of China Association of Agricultural Machinery Manufacturers. Our company was certified to ISO9001: 2000 in May 2005 and ISO9001: 2008 in May 2010.

Beijing Spake Technology Co., Ltd was founded in year of 1998 with total asset of 10 Million USD. It is one of the most professional manufacturers of calibration instruments in China with 27 years' experience. The head office is located in Beijing, the capital city of China with office of 600 Square meter. The Production base is in located in Xinxiang City, Henan Province with total asset of 3 Million USD and the1200 square meter for production. Our main products pressure and temperature calibration instruments, including digital pressure gauge with high accuracy, Intelligent pressure calibrator, pressure module, different range of pressure calibration pump (desktop pressure comparator and handheld pressure comparator) from vacuum up to 5000bar, Multifunctional Process Calibrator, Temperature calibrator dry blocks… etc. We have participated in many domestic and foreign exhibitions such as Hannover Industrial Exhibition in Germany in the past few years. Our brand SPMK calibration instruments have exported to more than 100 countries and enjoy good reputation. We have won many certificates such as ISO 9001, CE certificates and many patents during the past few years. With the corporate philosophy of "Accurate Calibration, Perfect Service" going forward, we will continue developing high quality calibration instruments with the best service and price to more and more customers worldwide.

Great Win Testing Machine CO. Ltd was set up in 1999, it has been over twenty years' history in the field of professional experience for lab testing instrument such as Footwear, Leather, Textile, Toy, etc. We are a manufacturer and supplier with rich experience of R& D, Manufacture and distribution. We have a technical team possessing of automation, software program, physical properties test for materials, distribution, and processing equipment, specially the excellent technology.

Shenzhen (Huizhou) More Green Light has been in the lighting field since 2011 and we are specializes in manufacturing high quality commercial LED lighting products. We serve customers in commercial industries, offering a full range of specifications lighting products.

Tianjin Grewin Group is concentrating on transformers for 25 Years and complianted by ISO9001: 2015, CB, IEC CB, CE etc. We're always pay great attention to its business philosophy "Quality and Honesty First". Grewin is specialized in the design and manufacture of wound components such as transformer, current sensors, chokes etc. Windely used in communications, electronics, meters, industrial control, medical equipments and other fields. We are also a provider of power meters and tape and winding machines. 85% of its products exported to America, Europe, and Asia etc. We sincerely invite you to join us to create a bright future.

Langdeli Technology Co., Ltd. is a professional manufacturer with 10 years of experience in producing testing instruments, committed to providing customers with high-quality and high-performance testing instruments. The company has advanced production equipment, a professional R&D team and sales team, as well as its own factory, production workshop, and office buildings.

Shenhai Explosion-proof Technology Co., Ltd, a non-resident enterprise in China, stands as a prominent national high-tech company integrating R&D, production, sales, and services. As the vice-chairman unit of China Explosion-proof Electrical Equipment Association and the president unit of Zhejiang Explosion-proof Electrical Industry Association, it leads the industry of explosion-proof electrical appliances in China.

Shenzhen Lianxiang Instrument Equipment Co., Ltd. is an enterprise integrating equipment development, production, sales, and after-sales service. With a high-quality design and R&D center, the company focuses on the development and production of environmental test equipment and mechanical test equipment. Established in July 2010 and located in Yanluo, Bao'an, Shenzhen, the company has a registered capital of 10 million RMB.

Who We Are

Dongying Lake Petroleum Technology Co., Ltd (Lake Petro) is a one-stop oil service company with 15 years of work experience in oil and gas fields. We have served over 300 clients in over 30 countries and regions, involving oil and gas, water wells, mining, geology, oceanography, etc. We commit to provide the best products and services to our customers worldwide.