Shanghai Sub-chen Plastic Machinery Co. is a professional manufacturer of pipe fittings professional manufacturers. The company specializing in the demanding production, control the quality based on innovation, with excellent reviews in the industry. The product has good mechanical properties, mechanical properties, high tensile strength, corrosion resistance, high temperature. Having a characteristic in the use of plastic, sealing performance has also been greatly improved, making use of the product range has also been improved. The company produces steel loose flanges fitted after many large well-known domestic enterprises to use and verification, give praise. The company produces steel loose flanges fitted excellent craftsmanship, have professional experience in processing, as well as patents. Has strict standards, the Company has domestic standards, American Standard, the Russian standard, Japanese standard, non-standard products can be customized according to customer demand, interested persons can call for inquiry