Shandong Telecom Seventh Factory Co., Ltd.'s main products: trace element analyzer, height and weight tester, oscilloscope polarographic instrument, child development evaluation system, child health computer, infant and young children's intelligent physical examination instrument, blood lead analyzer, rapid detection of pesticide residues instrument, flow injection analyzer. Shandong Telecom Seventh Factory Co., Ltd. is a high-tech enterprise. Its area is located in Jining City, Shandong. Its main products or services are various trace element analyzers, height and weight testers, oscilloscope polarographic instruments, and children's development evaluation systems. We have been highly recognized by the industry for our integrity, strength and quality, adhere to the business philosophy of customer-centricity and first-class service to provide high-quality services to our customers.