Shenzhen Gr-star Technology Co., Ltd. is a growth company which specializes in product R&D, sales and after-sale services of electronic cigarette. We have been working on electronic cigarette field for many years. We have rich experience in product R&D , sales and after-sale services. Gr-star is a new brand, and we are committed to produce innovative products and research for a better sale way. Company has standardized production processing support,and All of the products have through the strict test, and we provide the corresponding test report,so that the superior quality of our products is fully guaranteed. The company also provide after-sales guarantee timely. Shenzhen Gr-star Technology Co., Ltd. sincerely hope to build long-term business relationship with distributors worldwide, and commonlly promote industry development.