Our company is a production-oriented enterprise specializing in the development of oil sight glasses, oil plugs and vent plugs for reducers, compressors and construction machinery equipment. Our main products include aluminum (copper) oil sight glasses for various industries, as well as a wide range of ventilation caps and oil drain plugs used in conjunction. Our specifications are complete.
In the transmission industry, "Huaerna" has always been highly praised for its quality, service and cost-effectiveness. From metric standards, imperial standards, and American standards to some special-purpose threaded connections, we are professional in terms of temperature resistance and exhaust pressure, as well as the assembly and use of each product! With continuous research and development, the quality and design of our company's main products have steadily increased and remained at the top of the national peers, comparable to similar products in Europe.