Heavy Metal Detection assay wolfram Description: Set of universal Detection Technology Services Ltd. Contact: Miss Wang Tel: 18028719371 Contact QQ: 1487497957 Address: Futian District, Shenzhen nosy four Hua Sheng, Room 406, usually tin tungsten mine, molybdenum, bismuth, copper, lead, zinc, antimony, gold, silver, cobalt, beryllium, lithium, niobium, tantalum, rare earth, sulfur, phosphorus, arsenic, piezoelectric crystal, melting crystals and fluorite. Among them, sulfur, phosphorus, arsenic, molybdenum, calcium, manganese, copper, tin, silicon, iron, antimony, bismuth, lead, zinc, tungsten and tungsten products smelting process harmful impurities, all kinds of tungsten concentrate products These contain harmful impurities, the countries have developed industry standards, namely GB2825-81. Therefore, these harmful ingredients, way to go through the dressing and smelting technology enrichment comprehensive recovery, change for the benefit of victims, turning waste into treasure, utilization. [1] to inquire find Wang: 18028719371, QQ: 1487497957 [2] Advisory Services we will offer in the understanding of post-testing program and offer your sample information and inspection requirements. [3] You can sample arrange the sample sent to us laboratories, or visit their home inspection [4] Our laboratory experiments to test the technology at the time and circumstances permit, and as soon as possible to help you detect data [5] laboratory supervisor will review your test results to make a final review [ 6] we'll issue a report issued by the laboratory test report and to inform you that e-mail or phone text messages or mail