Mine gates, double-leaf gates good quality, excellent prices. Unique design, professional technical strength and rich professional experience. Mine fence gate product components: 1, double-leaf gates by the doors, hinges, latches and other components. 2, the doors from the water and gas pipes welded into the fence round group member. 3, hinges embedded in the concrete wall. 4, the latch bolt construction method using double-leaf gates Product Specifications: No. Model Specification Drawing No. 1 MS1800 × 2000 B78-374.1 2 MS1500 × 2000 B78-374.2 3 MS1500 × 1800 B78-374.3 company flagship???????? : various mining door, buffer bed, buffer strips, sleepers series, etc., Shandong Coal Machinery Co., Ltd. San welcome you hotline