Exhibit Profile：
Xi 'an Darun Seiko Mechanical and Electrical Equipment Co., Ltd. is a bearing based, research and development, production and sales of precision bearing manufacturing enterprises. Equipped with modern production equipment and testing instruments, mainly for the replacement of imported high-end products, specializing in the production of mud pump bearings, fracturing pump bearings, turntable bearings, faucet bearings, crane bearings, hook bearings, pumping unit bearings, top drive bearings, coile
Xi 'an Darun Seiko Mechanical and Electrical Equipment Co., Ltd. is a bearing based, research and development, production and sales of precision bearing manufacturing enterprises. Equipped with modern production equipment and testing instruments, mainly for the replacement of imported high-end products, specializing in the production of mud pump bearings, fracturing pump bearings, turntable bearings, faucet bearings, crane bearings, hook bearings, pumping unit bearings, top drive bearings, coile
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