Huilong electronic (Jinhua) Co,.Ltd is a Chinese-foreign joint venture which is located in Jinhua Economic & Industrial development zone. The area of factory covers about 25000 square meters and output of crystal units is 80 million pieces per year ,90% of the crystals are exported .  We imported advanced equipment and test instruments from Japan and America ,the total producing process is operating under purified enviroment . Meanwhile , we plan to establish a research & development center this year and our experienced technology engineers is 30% among our staffs . In 2000, we registered and got through the ISO 9002 and then passed ISO9001:2000  on March ,2003 which guarantee a efficiency quality system . Our quality principle is : Take our full responsibility to satisfy our clients .