We are one comprehensive enterprise that integrates sales, manufacturing and R&D in chemicals, pigments, dyestuffs products, located in Zhengzhou City of central China, which is the most important base of energy and chemical resources, convenient transportation and resources are served.

Under the principle of "Ensuring Excellent Quality and Creating Famous Brand", it has been expanded and upgraded since its establishment in 1990. Now the company has set up the worldwide sales network based on the factories invested to be established by us. In 2002, it purchased state-owned enterprise of chemicals factory, and built a series of new production lines, achieving the self-sufficiency of raw material and lowering the cost of production.

Through 15 years hard work of the whole company, the great progress has been made. All the products acquire high prestige both at domestic market and overseas market. Especially, some of our strongest products are in the leading position among the relative industries, with their high quality, low prices, complete specifications and excellent services.

If you are looking for the high qualitative of products, the moderate and faithful partner, Welong will be your best choice, we sincerely invite you to join us for cooperation & development together.