同協多年來以科研院所為后盾，以質量求生存，以竭誠服務為宗旨，在技術、生產、銷售和服務等方面提供一條龍服務，真誠為客戶著想，受到客戶的一致好評。
For many years,Tongxie has institute as its solid intelligent source.We seek survival through providing high quality,and serve coustomers with our every effort.We provide complete service in the technology,production,sales and after sale service.We think the customer think,and gain praises from customers.
