GQF-C type, GQF-Z type, GQF-L type, GQF-F type, GQF-MZL mold type bridge expansion joint device is a bridge stretching device uses hot-rolled steel design and the overall shape of the opposite sex. GQF-C type, GQF-Z type, GQF-L type, GQF-F telescopic device for stretching the amount of 80mm at the bridge joints. GQF-MZL telescopic device is a Modular bridge expansion device by the side beams, beams, beams and linked institutions, and for stretching the amount of 80mm ~ large and medium span bridges 1200mm code representation and People's Republic of China Communications Industry Standard "JT / T327-2004 highway bridge expansion joint device" representation agreement. The company is engaged in highway, railway, water conservancy, municipal engineering Isolation Devices, research telescopic device, noise reduction equipment, sealing and waterproofing materials and other products manufacturing as one of the enterprises to meet business needs while promoting the company's development projects in pursuit of objectives special agents of the bridge material accessories: strand, anchor, vent pipe guardrail, fence and other bridge materials detailed data, please visit the company's official website : www.hsjllq.com bridge rubber bearing series bridge expansion joints series bridge rubber inflatable mandrel series Rubber Sealing Series rubber dam bag series rubber fenders series Mission: do ten thousand engineering Four Seas Company spirit: innovation, self-reliance , for the letter, gaining the upper hand company philosophy: people-oriented science and technology for the use of customer-oriented reputation to severe Visit our website: www.hsjllq.com 24 hour free technical advice, please contact us to discuss business, we will be happy to serve you .