Yueqing ZHENGCHENG electrical co.,ltd. specializes in producing high ground socket (Rebound Clamshell rotary hidden) series and related ground electrical and cabling system supporting the manufacturing of the product. Ground socket material: copper alloy, aluminum alloy, zinc alloy gold and stainless steel, high-pressure cast molding and precision machining, and antioxidant processing, safe, durable and sleek, the company has a state-of-the-art manufacturing processes and testing equipment, ground socket features: can be applied to the changes in the activity of building interval, more flexible change applies to a large area of office bulidings …