WANT Balance Instrument Co., Ltd. Since 1993, specializing in developing, manufacturing, selling Hydrostatical Scales, owns abundant technology, and independent research department. The level of our technology takes the lead in Chinese balance industry. High quality, favorable price & excellent service make our products win great popularity domestic and overseas. The whole process of production is controllable strictly by QM-System. We strictly implement national electronic balances standards-GB/T26497, getting ISO9001: 2008, CE, RoHs, C-Tick Certificates, and has the rights of importing and exporting(Custom Code is 3204964107). We promise one-year warranty and lifetime maintenance. WT-S Hydrostatical ScalesHas the advantages of simple structure, convenient use, being suitable for the measurement of various solid proportion / density.