E-INGINST Electron Co., Ltd are professional manufacturer and exporter from China. Main product : Refractometer, Hand-Held Refractometer, Digital Refractometer, Abbe Refractometer, In-out Thermometer, Soil PH-Moisture Meter, PH meter, EC meter, TDS xxxxx and Surveying Instruments etc. Most of our products are CE marked, some of them have UL certificate. Our products are widely welcomed in USA, South America, Middle East, Europe, Africa, Asia etc.We are service oriented, we esteem all our customers and appreciate long term partnership with you! Our company relying on its advantage as being the capital of the Chinese scientific hardware has good material choosing, crafting, technology and quality. Our company primary objective is to provide the international industry with high quality foreign and locally manufactured products to meet our costumer&＃039;s specifications and standards timely and cost-effectively. We insist on the basic tenet that is "the quality first, the credit foremost", and do our best to supply better products and service at most competitive prices. We can keep our promise which is "No perfect products, only we go on work hardly". We also accept OEM order form, and we always guide our customers to develop other new products in this field in China.welcome to contact us whether for buying online or distributorship cooperation.