zhejiang shunzi industry&trade co.,ltd is an enterprise with the trading organism of manufacture.it is specialized in manufacturing an variety of iron ,brass padlocks branding "smooth","six-circle".Also we can design according to samples supplied by customers.the products are favored by customers from Europe ,Middle East ,South Aisa and South Africa etc. it is evaluated as one of the most advanced business enterprises for successive years ,and the products are commendeds as national recommended hardware products.