Guangzhou Topvelsun Parts Co., Ltd is over 20 years company, is a subsidiary of SanTian Group. Topvelsun is a professional and diversified large-scale engineering machinery parts company that integrates development, production, sales and agency services. Mainly engaged in the sales of construction machinery, spare parts, customization and modification of the whole machine. Our SANTIAN GROUP own R&D factories produce products include all kinds of filters (own brand is STAL FILTER LEFONG FILTER), STAL BRAND COMPRESSOR, the KST BRAND ALTERNATOR & STARTER, KONKONG DRILLING. We also have co-operation factories support all kinds of excavator electrical parts, engine parts, hydraulic parts, seals, heat dissipation parts, rubber parts, undercarriage parts. With the advantages in processing technology, equipment, talents, experience and other aspects, Topvelsun independently researches and develops and produces various excavator spare parts.