Zibo Shijian International Trade Co., Ltd, also known as SJOIN Refractory is a leading professional enterprise for new energy-saving materials researching, manufacturing and selling in the filed of ceramic fiber, soluble fiber, alumina fiber, glass fiber, high temperature seal material, insulating

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MachTech, founded in 1996, specializes in providing "Industry 4.0" overall solutions of software and equipment integration for manufacturing enterprises. It is a national high-tech enterprise that develops and manufactures intelligent and environmentally friendly automatic batching systems,

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