Ningbo Changwei Hardware Co., Ltd. is a manufacturer and exporter specializing in producing all kinds of seals, strip brushes, draught excluders, door window weather strips, flexible file tube polishing products. With the enterprise spirit innovation ...

We are specialized in grinding, cutting, polishing and fine finishing tools for dental surgical & laboratory. Professional R&D, production services the lasting targets of Dian Fong Industrial Company Limited. Our main products range from diamond burs ...