Tianjin Jewel Electronic Instrument Co., Ltd. is a high-tech manufacturer and trading company based in Tianjin, China, established in 1995. With a workforce of 101-200 employees and an annual revenue between US$1 Million and US$2.5 Million, the company specializes in the design, R&D, production, and sales of non-destructive testing (NDT) instruments, primarily for building structure quality control. They operate a factory with over 2000 square meters of workshops and an R&D office in Tianjin High-tech Huayuan Industry Zone. The company offers OEM services with over 15 years of experience and markets its own brand, "Century Jinwei." Their product portfolio includes a diverse range of electronic instruments and testing equipment such as concrete test hammers (including digital, mortar, and high-strength variants), rebar locators and corrosion detectors, crack width testers, pull-off testers, non-metal plate thickness gauges, skid resistance testers, Schmidt hammers, pen type Leeb hardness testers, thickness inspect devices, brick test hammers, steel anvils, infrared spectrometers, depth gauges, and calibration equipment. All products are independently researched, developed, and assembled, holding independent intellectual property rights and adhering to standards like GB/T9138-1988, JJG817-93, and JGJ/T23-2001. Tianjin Jewel Electronic Instrument Co., Ltd. exports its products globally, particularly to the building industry, and is recognized for its quality and competitive pricing.
Tianjin Humanda Technology Development Co., Ltd. is a comprehensive technology development company based in Tianjin, China, operating as a manufacturer, trading company, and service provider. Established in 2011, the company employs 11 to 50 people and leverages Tianjin port for convenient logistics, positioning itself as a "One Belt And One Road" bridgehead. They specialize in laboratory solutions, offering a broad spectrum of products including laboratory instruments (balances, pH meters, drying equipment, incubators, centrifuges, optical instruments, potentiometric titrators), laboratory glassware, plastic laboratory products, chemical reagents, and medical consumables. The company provides OEM, ODM, and contract manufacturing services, with a focus on excellent quality and fast service. Their capabilities extend to laboratory design, construction, technology development, consulting, environmental product technology development, automation system engineering, system integration, and computer software/hardware development and sales. They also engage in R&D collaborations with universities on projects such as high-temperature pH meters and environmental testing instruments. With an annual output value ranging from US$5 Million to US$10 Million, Tianjin Humanda Technology Development Co., Ltd. exports a significant portion of its products, serving clients like SINOPEC, SGS, and LG.