How about Yantai Ishikawa gasket?

The company's product development and design ability is at the leading level in the same industry in China, with five national patents such as all-metal cylinder gasket and asbestos-free sealing gasket, more than a dozen sealing plate and gasket production lines, with an annual output of 83 million tons of sealing plates, 6,543,800 pieces of cylinder gasket and other sealing gaskets, 6,543,800 sets of motorcycle gaskets, and 6,543,800 sets of various overhaul packages and winding gaskets.

The company has obtained ISO9000, QS9000 and ISO/TS 16949 quality system certification, and has good quality control ability. The products are matched with hundreds of main engine plants and petrochemical enterprises such as Xichai, Shangchai, Xichai, Dongfeng and Qilu Petrochemical, and exported to Japan, South Korea, Southeast Asia and the Middle East.