Shenzhen, China, June 15, 2026 (GLOBE NEWSWIRE) — Shenzhen Jewellok Technology Co., Ltd., a leading manufacturer of ultra-high purity fluid control and gas delivery solutions, today announced the continued expansion of its advanced product portfolio, including the VMB Gas Cabinet, Gas Changeover Manifold, and bulk chemical delivery system (CDS) technologies designed for semiconductor, photovoltaic, biotechnology, pharmaceutical, and advanced manufacturing industries.