Molded Rubber Goods
DJF Seals (Guangzhou Jiarui Seals Co., Ltd.) is a manufacturer and exporter of hydraulic seals and hydraulic cylinder seal kits for construction machinery in Guangzhou, China. We produce rod seals, piston seals, wiper seals, O-rings, back-up rings, wear rings and complete hydraulic seal kits, including centre joint kits, for excavators, wheel loaders and hydraulic breakers. Kits are supplied by OEM part number for CAT, Komatsu, Hitachi, Volvo, SANY, XCMG, JCB, Liebherr and Hyundai machines. Our workflow covers engineering review, CNC machining, manual assembly, dimensional inspection and warehouse handling.
Copper State Rubber manufactures API-licensed oilfield and industrial hose, including choke and kill, rotary drilling, vibrator, decoking, BOP control, and marine hose. CSR holds API Q1 and ISO 9001:2015 certifications, and is API 7K and API 16C licensed, with ABS and DNV Type Approval. All products are manufactured in the USA at CSR facility in Avondale, Arizona. Best-fit partners: drilling contractors, distributors, procurement teams, and refinery operators sourcing certified, US-made high-pressure hose with reliable lead times.
