The Tongda Hengli Technology Co., Ltd. in Chengdu Distribution and wholesale of laboratories The special equipment is popular in the consumer market, which enjoys a high status among consumers.The company has established a long-term and stable cooperative relationship with many tradesmen and agents.The distribution of the laboratory in this company，where the variety is complete and the price is reasonable.The company is strong.They can comply with contract and keep promise，and they can also guarantee the quality of the product.With characteristic management and small profits but quick turnover principle，they has won the trust of vast customers.