Founded in 1980, Ningbo Kingdoms Industrial & Trading Co.,Ltd is a professional tool manufacturer with more than 20 years' history. We professionally produce rubber and plastic pressed products, which are well-known for their superior quality, reasonable price and complete varieties. With powerful technical strength, our products are deeply trusted by customers. All types of our products are mainly sold to Europe, America, Southeast Asia and the Middle East. Our O-shaped sealing sets in ...   |