日本成熟人妻换XXXX-美国发布站久久-韩日av在线-AV官网在线-av成人一区二区三区在线-国模冰冰

Hubei Yikangyuan Chemical Co., Ltd. is located in Wuhan, enjoying convenient transportation condition. It is a large chemical enterprise in middle China region, engaged in research, manufacturing and selling of fine chemicals, medical material, medical intermediates and enzymic preparations. Our company has well-known experts and professional engineers and managers. There is top level production equipment, advanced testing instrument to ensure product quality.

Operation principle is “technology oriented, customer first, survive on quality, develop on good faith”. We would like to cooperate with all colleagues and expect to develop together with you.