The chengyang trade co., LTD. Shanghai wholesale distribution of chemical raw materials and product best-selling consumer market, enjoys a high status among consumers, the company with several retailers and agents established a long-term, stable relations of cooperation. Shanghai out the clear trade co., LTD. Distribution of chemical raw materials and product variety complete, the price is reasonable. Shanghai out the clear trade co., LTD., strength, heavy credit, keep the contract, guarantee product quality, with many varieties management characteristic and the meager profit but high turnover principle, won the trust of customers.