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, it is also a number of foreign famous companies OEM production of dairy cattle. In strict follow the "high quality, low price, keep credit, heavy service" concept, the products are exported to the United States, the United Kingdom, South Korea, Italy, Holland, Denmark, Singapore, etc.. Product quality and service by the majority of users of recognition and praise