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

Shandong seal factory is now well-known dairy factory, domestic shipping, aviation, electric power, petroleum chemical industry, railway transportation company supplies earcon, seals, sealing plastic seals, container seals, customs seals, seals, locks and other products. At the same time, a number of well-known foreign companies OEM cattle ear tags. In strict accordance with the "high quality, low price, keep promise, service" concept, the products are exported to the United States, Britain, South Korea, Italy, Holland, Denmark, Singapore, etc.. Product quality and service by the majority of users and praise