Zhengzhou the Great Wall science and Trade Co., Ltd.   

Zhengzhou the Great Wall science and industry and Trade Co., Ltd. (formerly Zhengzhou the Great Wall instrument factory), founded in 1988, has gone through more than 20 years' history and is a technological innovation enterprise integrating research, development, manufacture and operation. Today, the company's products throughout Asia, Europe and the United States, covering most of the domestic laboratories, Zhengzhou the Great Wall branch industry and trade has become one of the most popular and trusted brands. After long-term research and development and continuous technological accumulation, the company has made great progress in chemical, chemical, biological, pharmaceutical, polymer engineering and other fields. It has developed more than 10 series of more than 100 types of testing instruments and equipment, namely, circulating water type multi-purpose vacuum pump, cryogenic coolant circulating pump, low-temperature constant temperature stirring anti bath bath, closed refrigeration heating cycle device, rotary evaporator, glass reaction kettle, heat collection type constant temperature magnetic stirring bath, digital display DC stepless speed regulation agitator, glassware fast drying machine, digital display small vacuum drying box, electric heating sleeve and so on. Among them, the circulating water type multi-purpose vacuum pump and cryogenic coolant circulating pump are our trademark products, which has been leading the development of the industry for a long time. The company aims at technological innovation and serving the society. It actively researches and develops new products and dedicate to education and science. The company enjoys a high reputation in the same industry, and the first one has passed the ISO9001 international quality system certification. Winning tenders in public bidding such as World Bank education project, teacher education development project and so on. The provincial science and Technology Department has been recognized as a high-tech enterprise in Henan by the provincial science and technology department. It has been awarded the provincial and municipal "contract credit enterprises" for ten consecutive years; Henan high quality product trademark enterprises; Henan Provincial Technical Supervision Bureau has awarded the "quality focused tracking enterprises"; the Henan provincial product quality supervision and Inspection Institute has awarded the "product quality trustworthy unit"; the China market monitoring center has awarded "China's integrity, contract and quality enterprise"; Zhengzhou Technical Supervision Bureau has awarded the "quality and measurement trustworthy unit". We are committed to serving the development of education, science and industry with high quality, excellent products and perfect after-sales service.