Hayingsen Industrial Co., Ltd is Joint venture of Sino-America. Our headquarters is located in LA US, and we have many factories in China. Having more than 30 years experience specialized in industrial products,Hayingsen Industrial Co., Ltd has evolved into an important manufacturer and supplier in domestic and the great exporter to many countires all over the world. Our products include Truck Trailer, Electric tricycle, Automotive Parts, DC Truck Air Conditioner, Construction Machine, Fasteners, Scaffold, Surface Preparation System Equipments, Concrete Stone Floor Grinding and Polishing Machine, Scarifier, Industrial Vacuum Cleaners, Diamond Tools and various relevant accessories, etc.Hayingsen Industrial Co., Ltd focuses on RD works , Manufacture and Sales, Projects construction service, Technique consultation and has become a famous supplier in the World. we have our own manufacture bases and some other well cooperated parterners, and we have our own quality control and after service team which means that we can supply our good quality products with very competitive price. Some of our products have passed the CE, ISO9001 quality control certificates. our products had been sold to many countries all over the world which got well feedback from our clients。Should you have any inquiries and questions for our products or working scopes with us, please feel free to contact us at any time. We promise to give you our prompt response and offer you our best service at the best competitive price with the best quality products.