Liangshan Saiqiang Machine Manufacture Co., Ltd. is a professional manufacturer of semi-trailer fittings located in Liangshan, Shandong Province. We utilize the latest technology to ensure cost efficiency for our customers and we specialize in the supply of special spare parts for semi-trailers in the Asian market as well as semi-trailer landing gears, suspension systems, fifth wheels and kingpins for international markets. We are developing and expanding gradually and all our products have sold well at home and abroad based on 10 years of research and manufacturing in the field. Through many years of research and development experience, our factory has accumulated vast knowledge in the industry s technological aspects. We have 30 specific products among 6 major varieties of our Saiqiang brand, including fifth wheels, fifth wheel coupling pins, landing gears, suspension systems, container lock assembly, assembly locks and other special car accessories. Our ...[More]chnology and quality adheres to national standards and we are one of the leaders in the field. We have also attained ISO9001 international quality system certification. Our advanced manufacturing methods, comprehensive testing system, strict quality standards and excellent after-sales service have enabled us to become a respected brand. We adhere to the policy of "quality first, customer foremost" and we strive to provide complete service for our customers. We welcome customers old and new to visit our company and discuss business with us.