Nine-Door Glove Box, Glove Box Purification Patent Technology, Low Leakage Rate, Optimized Cost-Effectiveness, Excellent After-Sales Service.Nanjing Jiumen Self-Control Technology Co., Ltd. is one of the domestic companies that research, develop, and produce a variety of glove boxes and vacuum chambers. Established in 2002, we began by developing vacuum chambers and vacuum glove boxes with high airtightness requirements for defense projects. Our independently developed circulating purification glove boxes have achieved technical breakthroughs in terms of system leakage rate and circulation purification capacity, with relevant indicators verified by authoritative third parties and patented. For nearly 20 years, we have been deeply committed to the R&D of glove box products and will continue to focus on the research, production, and sales of glove boxes. We are dedicated to providing high-quality, cost-effective products and services to all glove box users.