Shenyang Longteng Electronic Co. Ltd. is an ISO-9001 and CE certified Joint-venture company (Hong Kong, Macao and Taiwan) established in 1990. LONGTENG designs, develops, manufactures and sells mainly the electronic analytical balances, high precision electronic balances, industrial balances, anti-explosion balances, static water density measurement balances, electronic scales, weight comparators, rapid moisture meter, grain moisture meter and sterilizing equipment etc.We are one of the drafters of national standards:GBT 26497-2011 for electronic balance.At the same time,we are still one of the drafters of national metrology verification regulation for electronic balance.