About Yunnan Yunwei Company

The company is a private enterprise that mainly produces high-tech fine chemical products. It has a group of senior and middle level technicians who have been engaged in scientific research and development of chemical products for a long time and are distributed in various major positions. Every year, more than a dozen new varieties are put on the market and have achieved good social and economic benefits. Currently, it produces and operates more than 1,000 varieties of chemical reagents. The company has various precision testing instruments, such as atomic absorption, gas-liquid chromatography, emission spectroscopy, ultraviolet spectrophotometers, liquid particle counters, etc., which fully guarantee the quality of the products. The company has passed the ISO- 9001:2000 international quality standard certification. Over the years, the “Green Ring” brand chemical reagents produced by the company have been widely used in universities and research institutions across the country. The company's main business: Currently, the company mainly trades coal coking products.