Breathable valves, flame arresters, sight glasses, hydraulic safety valves, filters, and valves.












Shandong Jelsen Machinery & Equipment Co., Ltd. is a professional manufacturer specializing in petrochemical storage and transportation equipment as well as special pipeline components. The company boasts strong technical capabilities, advanced production equipment, and detection systems. Our products are widely used in industries such as petrochemicals, electricity, metallurgy, textiles, food, and papermaking. The company has always adhered to the business philosophy of "people-oriented and technological innovation," successively launching variousBreath Val…













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