San (Qingdao) Machinery Co., Ltd was established in March 2005, based on the tenets of providing professional services wholeheartedly, supplying trustworthy and high efficiency products, helping employees build strong selves and live a prosperous life, and contributing to the development and

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Shandong Raintech Sans Technology Co., Ltd. is a high-tech enterprise that integrates product development, designing, production, sales and service in metal roll forming and coils processing industry. Our Products: Includinging various kind of Metal cutting and welding equipment sales, metal

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