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.

Hubei Hongtu Instrument Co., Ltd. Was founded in Jingmen, Hubei Province in 2022, and its head office, Dongguan Hongtu Instrument Co., Ltd., was founded in 2009. Hongtu Instrument is an enterprise integrating R&D, production and sales, mainly focusing on the R&D and production of testing equipment for the whole project of photovoltaic laboratories. The main products include: Motion safety protection detection instruments, solar photovoltaic module detection instruments, and various non-standard instruments customized. The detection equipment can cover international test standards such as IEC61215, IEC61730, UL1703, IEC61646, IEC TS 6782, IEC60904-9, etc.

Chongqing Gold Mechanical & Electrical Equipment Co., Ltd is a high-tech enterprise for researching, designing, developing and producing scientific and measuring instruments. With its continuous drawing of lessonas, unremitting innovation and borrowing of advanced technology from both at home and abroad, our company is now becoming a professional manufacture of oil tester, electric tester, fire testing equipment, and oil purifier.

Chongqing Blossom Machinery Equipment Co., Ltd is located in Chongqing, one of the municipalities directly under the central government. The main products include Lab instrument and apparatus, mechanical machinery such as liquid purification equipment etc. The equipment is widely applied in construction, petroleum, mechanical, ships, pharmaceutical, lab test and edible oil processing, etc.

Dongguan Lituo Testing Instrument Co., Ltd. is a manufacturing enterprise integrating R&D, production and sales of various materials and finished product properties, mechanics and environmental testing instruments. The company is located in Houjie Town, Dongguan, Guangdong, covering an area of 10, 000 square meters. After years of development, it has successively passed ISO 9001 CERTIFIED, SGS Approved Supplier Certificate, Environmental management system certification, Intellectual property management system certification, Occupational health and safety management system certification, etc. We have a professional foreign trade team, can respond in time, provide customers with professional and efficient service and reasonable prices, We also have strong research and development capabilities to improve the quality and usability of our products for our 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.

Located at Chongqing city--a southwest electromechanical manufacturing center as well as national municipality, Chongqing TOP is a professional leading manufacturer and supplier of oil purifiers and various related testers. We consists of departments respectively for technological development, machinery manufacture, instrument manufacture, quality control etc. On basis of mature development and manufacture technology and highly qualified production management team, the products own high quality, easy operation, excellent performance and lone service life.

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.

Hunan Addition Instrument And apparatus Co., Ltd., founded in 2008, is a high-tech enterprise focusing on the research, development, production and sales of analytical instrument products and other laboratory equipment in the petrochemical industry. With more than 20 years of trade and export experience, we have cooperated with more than 100 countries and regions such as Russia, the UK, the US, the EU, the Middle East and Hong Kong. The company implements ERP management system, as well as IS09001, ISOI4001, OHSASI800L integrated management system. The company has strong technology and research and development strength, in the industry not only to maintain the analytical instrument performance stability, exquisite technology tradition, but also to improve the product performance, improve the product accuracy, simplify the operation mode, so that our products are more intelligent, humanized, personalized characteristics, welcomed by new and old customers.

CHANGSHA LONROY TECHNOLOGY Co., Ltd is professional in manufacturing and selling kinds of test equipments with high technology and high accuracy. The headquarters is located in Dongguan, Guangdong Province. Changsha Lonroy is proessional in Printing, Ink, Packaging, Paint Coating test equipments, and also sell other industry test machines.

Chengyu Testing Equipment Co., Ltd found in 2010, We are manufacturer of material testing machine in China, our company located in Jinan, Shandong.

Hunan Zhenhua Analysis Instrument Co., Ltd. Specializes in the experimental instruments of ceramics, inorganic non-metallic materials, glass, and cement. We are good at engineering testing. We are a leading enterprise in domestic industry with strong technical force, professional technical personnel and consummate testing equipment. Over the years, our company has been advancing with the times. Aiming at the advanced technology, we produce various products to meet the needs of market.

KOMEG Technology Industrial is famous for its KOMEG star brand of environmental test equipment in China since 1990. KOMEG has specialized in climatic test chambers, thermal shock test chambers, walk-in chambers, burn-in rooms, aging test chambers, drying ovens, salt spray testers, medical laboratory equipment, etc. KOMEG factory is located in Dongguan, covering an area of 5, 000 sqm, with over 52 employees, including 26 R&D engineers. KOMEG also has offices in Shenzhen and Songshan Lake National Hi-Tech Industrial Development Zone.