Jump GSC co., ltd. located in the coastal city of Shandong Province. Company covers an area of 90667 square meters. It is a comprehensive intelligent lids manufacturer integrating R & D、design、 manufacturing、sales and service together. Have more than 20 years experience, specializing in production high-quality various aluminum pilferproof closures、plastic caps、aluminum-plastic lids、easy open caps and aluminum printing plates, etc. Now we have already developed to the only professional manufacturer in china to supply customers with the whole set of relating service covering production and sale of aluminum plates, various aluminum pilferproof closures, combined anti-counterfeit closures, production and sale of automatic and semi-automatic production lines, and all kinds of molds etc. Also specializing in design、R&D and manufacture of automatic production line equipment for variety of lids, is a leading enterprise in packing industry.