Shandong County of Qingyun province GrandRay lock industry Co. Ltd.   

Shandong seal factory now for a number of well-known domestic dairy factory, shipping, aviation, power, petroleum chemical industry, railway transportation and other company supplies the ear mark, seals, sealing, plastic seal, container seals, customs seal, security seals, safety locks and other products. At the same time, also for a number of foreign famous companies OEM production of dairy cattle ear tag. In strict follow the "high quality, low price, keep promise, heavy service" company philosophy, the products are exported to the United States, Britain, South Korea, Italy, Holland, Denmark, Singapore, etc.. Product quality and service by the vast number of users of the recognition and praise