... Material:PTFE 2.Any colors and sizes 3.Excellence quality, best service 4Pay white PTFE screw (Agricultural Machinery)1.Material: ... PTFE2.Any colors and sizes3.Excellence quality, best service4Pay:T/T 1.long-term using of temperature 2 ... commonly used in the food machinery, textile machinery, engineering machinery, Guangzhou Best Rubber and Plastic Co., Ltd. will provide all kinds of PTFE ...