Plastic body thread protection ring is mainly used in harsh temperature conditions in various colors thread protectors, relatively large temperature difference between regional custom thread protectors to protect the oil fields, oil casing thread. Oil is generally located in relatively remote 41/2 thread protectors, adverse weather conditions, particularly in the Middle East oil producing countries and China, Xinjiang and other places, the weather was unusually large temperature changes, plus road transport long, thread protectors conventional construction difficult effective protection tube threads. Thread protector design, material and mechanical properties should be able to protect the threaded pipe end and in normal handling and transport damage during transport to prevent thread during normal storage and infiltration of dust and water. During normal storage should be approximately one year. Protector screw thread form should the product will not damage protection and thread protectors Tongchuan, Shandong thread protectors, is Tong Machinery (certified merchants) are provided by Ning County is Tong Machinery Plastic Co., Ltd. Ning County is Tong Machinery Plastic Co., Ltd. (www.dzztjx.com) is specialized in "Fuk Loi wheel, omni-directional wheel, universal ball, wheel and other two-way," the enterprise, the company adhering to the "honesty, hard service" concept To provide you with the highest quality products and services. Welcome to inquire! Contact: song manager.