... stroke3.50mmDurability10,000 cycles(min) Company Information1.Jia Hua Xing Metal Manufactory Co.,Ltd.is a company of professional design,manufacturing,sales ... quality stability and reliability of products,the accuracy of the product in between 0.01-0.02mm,which has won ... than 20 people.That makes our produce more guaranteed product quality,to a greater degree of producing customers need ...