Zhejiang Hongsheng Quartz Technology Co., Ltd. is a specialized manufacturer and ODM provider based in Huzhou, China, focusing on high-performance quartz technology. Established in 2022, the company operates a significant 10,000 square meter factory and maintains a workforce of 11 to 50 employees. They are ISO 9001 certified, emphasizing rigorous quality control through a dedicated team of QA/QC inspectors and comprehensive raw material traceability. The company specializes in a wide range of quartz apparatus and components, including quartz crucibles, boats, tubes, flanges, and cleaning tanks. Their product portfolio extends to specialized items such as fused silica quartz crucibles for laboratories, vertical wafer quartz boats for semiconductor annealing, and quartz glass reactors. These products are engineered for high-temperature resistance, chemical stability, and electrical insulation. Zhejiang Hongsheng Quartz Technology Co., Ltd. serves a diverse international clientele, including manufacturers and brand businesses across Southeast Asia, Eastern Asia, and the domestic Chinese market. With strong R&D capabilities, they offer extensive customization options to meet specific industrial requirements for laboratory, semiconductor, and chemical processing applications.
Hangzhou Freq-Control Electronic Technology Ltd. is a leading Chinese manufacturer based in Hangzhou, specializing in piezoelectric crystals, surface acoustic wave filters, and single crystal growth, as well as substrate processing for the telecommunications and general time and frequency industries. Established in 2000, the company operates with 11 to 50 employees and offers OEM services. They are certified with ISO 9001 and ISO 14001, demonstrating their commitment to quality and environmental management. Their product portfolio includes high-precision single quartz blanks, Lithium niobate and Lithium tantalate substrates (3", 4", and 6" with thicknesses down to 0.1-0.15 mm), custom-sized special glass substrates for optical windows, and commercial-end frequency-controlled components for 3G, 4G, and 5G applications. By 2010, they expanded their production capabilities to include glass substrates up to 12" for both semiconductor and optical industries. The company has been serving microelectronic manufacturers, defense contractors, national laboratories, universities, and scientists globally since 1990, focusing on innovation, cost-effectiveness, and superior quality.