HANGZHOU YANHUAKE TRANSMISSION MACHINERY CO., LTD., operating under the brand YHK, is a manufacturer of transmission products based in Hangzhou, China. Established in 2017, the company specializes in a wide range of components including roller chains, conveyor chains, agricultural chains, automotive chains, stainless steel chains, leaf chains, lifting chains, sprockets, locking devices, timing pulleys, synchronous belts, V-belt pulleys, shaft couplings, gears, racks, bearings, reducers, and motors. YHK's products are utilized across diverse industries such as railway, mining, oil, machinery, metallurgy, paper making, textile, printing and dyeing, electricity, chemical industry, medical equipment, and aviation. With a factory located in the Economic and Technological Development Zone, Xiaoshan district, the company employs between 11 and 50 people and is certified with ISO 9001 and IATF 16949, demonstrating a commitment to quality and professional standards. YHK provides expert product consultation and technical solutions to its customers, aiming to create superior value for all stakeholders.