Zhuji Mingtai Machinery Factory is one of the most famous and most reliable suppliers of grease fittings and grease nipples in China. We have been specialized in this line for more than 20 years. We have advanced production lines and top-grade testing equipment. The quality and price we offered are the most competitive. A great variety of types of our products enjoy high reputation among the users. Our factory lies in Diankou Industrial Zone which is named "The Hardware City of South China". It is 60 kilometers away from Xiaoshan Airport and about 200 kilometers away from Ningbo Port, enjoying convenient transportation. Grease Fittings are usually used in trucks, automobiles, agricultural machines, construction equipment, machine manufacturing industries and so on.Our material of Grease Fitting is as follows: Body and Head: Made of A3 steel. Also made of 303#, 304, stainless steel and brass.Spring: High tensile Carbon steel wire . Ball: Carbon steel Finish: Zinc, zinc yellow, or chromate plated. Also all other specifications of Grease Fittings such as SAE, BS, DIN, JIS, CNS, International Standard. Specification as NPT, BSP, DIN, JIS, UNF, UNC, Drive, Flush, Button Head, PIN, Liner, Special, Stainless Steel & Brass, Cap, Assortmet and Break Oil. "Honor the contract, Keep the promise" is our business principle. We always have the interests of our customers at heart. We are expecting for your cooperation!Customs' designs & specifications are welcome!