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The use of copper sleeves in the civil defense door

2018-09-29

     Civil air defense is also known as civil defense. Civil defense is an international common word. English CIVIL DEFENCE is an activity of the government to mobilize and organize the masses, take anti-air strikes, disaster relief measures, implement rescue operations, and prevent and mitigate disasters. The civil defense door belongs to the civil defense protection equipment. As the name implies, the human defense door is the door of the people's protection project entrance and exit. The types of civil air defense doors are 1. ordinary single and double protective closed doors and closed doors 2, movable door singles, double protective closed doors and closed doors 3, hose type explosion-proof wave shutters 4, hanging pendulum type explosion-proof wave (shield) valves 5, landing type double-shield protective closed door and closed door 6, connecting port two-way force double-shield protective closed door 7, open double-shield protective closed door in slope, protective fire-proof closed door, fire-proof closed door 9, electric control door . Hunan Jintai Hardware and Machinery Co.,Ltd. specializes in producing all kinds of human-proof door copper sleeves, human-proof door skateboards, civil defense door upper and lower hinged copper sleeves, lock sleeves, and human-proof door copper worm gear products, which have been well received by customers for many years.



Civil defense door upper and lower hinge copper sleeve lock sleeve

Hunan Jintai Hardware and Machinery Co.,Ltd. is a professional manufacturer of various graphite copper sleeves. It produces a wide range of graphite copper sleeves. It currently serves more than 20 domestic and international machinery industries and more than 300 customers. With rich experience in product matching, we can provide customers with various products, product selection and design in various working conditions, save time and reduce quality and provide excellent service for customers.

Hunan Jintai Hardware and Machinery Co.,Ltd. is a professional manufacturer on various kind of bearings over 15 years China factory.
We are making all kinds of slide bearings including
DU PTFE composit bushing, DX POM composite bushing,bimetal bushing,wrapped bronze bushing, cast sliding bushings and wear plate bearing pad, sintered bronze bushing and sintering parts, ball transfer bearings, etc.
The shapes of bearings can be in sleeve, flanged, spherical, plate, washer, pad, ring, square etc.
Base materials in carbon steel, harden steel, iron, stainless steel, bronze, brass, copper, bronze-steel alloy.Lubricant materials in PTFE, teflon, POM, nylon, plastic, oil, graphite, grease, MoS2, etc.
Export to America,Canada,Brazil,Peru,Argentina,Chile,Paraguay,Europe,Finland,France,Germany,Italy,Spain,Sweden,
Britain,Estonia,Ukraine,Turkey,Austrial,Russia,Korea,Malaysia,Singapore,Thailand,
Egypt, Libya, Tunisia, Algeria, Morocco,Kenya,Somali,
Congo,Zimbabwe,South Africa,etc.