WELCOME TO HUAFENGLAB
SinoFeng Educational Apparatus Int'l Limited
Email:marketing@huafenglab.com,
URL:www.huafenglab.com
Address:HONG KONG,CHINA
With PVC coated prongs. Chrome plated zinc alloy.For diameter: 1/ from 12 to 45 mm 2/ from 7 to 25mm
Mobile:13802971364