Shenzhen plant dedicated square tube insulation joints ladder Gold River Power Plant in Shenzhen factory direct special square pipe insulation joints ladder Gold River Power Plant in Shenzhen factory direct special square pipe insulation joints ladder Gold River Power Plant in Shenzhen factory direct special square pipe insulation joints ladder Gold River Power Insulation ladder factory direct Hebei Gold River Power Appliances Co., Ltd. After years of cooperative research and development, production has been stereotyped insulated single ladder, herringbone ladder insulation, insulated extension ladders? hanging ladders and many other varieties of insulation ladder. Products through provincial identification. Get Chinese national patent products. Products by the National electrical safety equipment for Quality Supervision and Testing Center qualified. 2. The main technical insulation ladder requirements: (a) the appearance of an assembly. Concept Concept: ladder shape of the components may not have sharp edges, should fall arc. 2. Assembly: shall comply with the provisions of YB3205 Tel: 0311-80828671 Contact Phone: 14730418671 Contact QQ: 2895912295 Contact: Jia Qi Austria