? ??????? ????? ?????? ????????? HH2-2 type prop price HH2-2 type prop Introduction HH2-2 type back Usage hand column HH2-2 type prop prop characteristics HH2-2 type parameter convenient prop Shandong coal mining Material Group Co., Ltd. e-commerce company is the province's larger B2B e-commerce company, "credibility is life, quality of survival. "This is the principle of all staff adhering Coal is also the goal of fighting ahead. First, the product uses the product can also be used to bundle and brakes of a large cargo type with .HH2-2 prop is a high-efficiency, multi-purpose portable lifting equipment in coal mine. It can return a variety of different angles withdrawal buried underground metal pillars and other buried devices. For retracement mining height greater than 1 m of conventional mining, blasting mining and pillar atmining face are applicable, in addition, can also work as an auxiliary tool in mining . Floury pulling, lifting weights two other work, the product has the following characteristics: (i) safe, reliable, durable; (ii) easy operation and maintenance; (iii) high strength, small size, light weight, easy to carry; (iv) pulling force, grip strength, high efficiency three, product technical parameters 1, the pulling force (maximum):. 5t 2, pulling away (maximum): 3m 3, the handle force (maximum): 500N 4. Handle length: 520mm for my company prop production batches, depending on the model. For inquiries, you can contact me, I will give you a detailed answer! Shandong Coal Mine Group Address: No. 69, Zone Torch Road, Jining City, Shandong Province