Shenzhen Topgreen Technology Co., Ltd. was established in 2010. Our company is located in Shenzhen, China. We specialize in electronic cigarettes and accessories. We offer OEM & ODM services to global customers. Topgreen covers an area of 2,500 square meters and has 300 employees, with a strong team consisting of professional engineers, we are presenting new product frequently. Our annual production capacity is around 50,000 pieces per month. With the strictest quality control systems, we ...