Shandong Longao Rubber Co., Ltd. was established in 2014 with a registered capital of 10 million. It has obtained DNVGL classification society factory type certification. The company has a complete rubber physical performance laboratory, water injection pressure tester, fatigue tester and other finished product inspection equipment. Own open rubber mixing machine, closed rubber mixing machine, high tension four-roll calender, 0.8m*21m rubber tube vulcanizing tank, 1.8m*26m marine air bag vulcanizing tank and 4.5m*12m inflatable rubber fender vulcanizing tank, The complete set of product molds has registered the "Ocean Shield" and "OCEAN SHIELD" brands,