Guangzhou Tengxing Industry Co., Ltd. is mainly engaged in the American Double Hung, casement window, awning window accessories, with complete range of window hardware. And the major technical products—American spiral balance and weighted spiral balance are acknowledged by the industry for its high product quality. Our company continuously introducing advanced production technology at home and abroad, pursuing corporate tenet as good quality for existence, innovation for development, and sincerity for cooperation, strive for the best performance price ratio and satisfying service.