同协多年来以科研院所为后盾，以质量求生存，以竭诚服务为宗旨，在技术、生产、销售和服务等方面提供一条龙服务，真诚为客户着想，受到客户的一致好评。
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.
