Beijing Energy Science & Technology Co., Ltd. is located in BeiQiJia Industry Base, Changping District of Beijing. Our company is a professional manufacturer engaged in the research, development, production, sale and service of photomultiplier tubes and crystals. With an experienced and professional team, all our products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. Guaranteeing stable and timely supply, credible quality and sincere service, our products sell well in both domestic and overseas markets. Whether selecting a current...