3、 Screw cap to prevent lose nuts

We are Tianjin Metal Import And Export Co.,Ltd,A well-established export enterprise with more than 20 years of history,We have a production factory specializing in steelprops.located near the New Port of Tianjin. It has convenient transportation and elegant environment.The products cover the whole country and have been exported to more than 30 countries and regions such as Europe, Middle East, Southeast Asia, North America, South America, Africa etc. They have won high praise from customers with stable quality and good service.I will show you our utmost sincerity.Looking forward to cooperating with you!please feel free to contact us.
Email：jefferysteel@126.com
Whatsapp：86-15022717390