Yantai Jiajia Instrument Co.,ltd

yantai jiajia instrument co.,ltd is one of professional suppliers of each kind of standard weights. the company main engaged in trading medium and high grade calibration weights. the products include oiml standard weight, astm standard weight, material with stainless steel, chrome, brass, cast iron, 2cr13 and so on. there are cylindrical type, lock type and also rolling type etc divided by shape. the nominal value is from 1mg to 5000kg, and the monthly capacity is over 100,000 pcs. the products are widely used in production and research area of pharmaceutical industry, electrical field, tensile test etc.