YES was founded in 2008. Begin with 2008 the company leader invested to develop and manufacture the Bulb Cap Crimping Tool and other LED Lamp Cap Crimping machine. from then on we pay more attention to product quality, safe to use and product innovation, so far we have produced many high quality, stable performance, high cost-effective products. Improve production yields, increase productivity, and thus enhance the market competitiveness of our customers. Until now we have design different Crimping tool. Due to the good quality and reasonable price our customers are all over the world. up to now YES have became one of the biggest LED Lamp Bulb Cap Crimping production base in China.