Industry Standard "Operational Rules for Water Supply Hydrogeological Drilling and Tube Well Construction"

51 Steel Pipeline News: The “Code for the Operation of Water Supply Hydrogeological Drilling and Tube-well Construction” is now approved as an industry standard, numbered CJJ/T13-2013, and will be implemented from December 1, 2013. The original “Regulations for the Operation of Water Supply Hydrogeology Drilling and Sinking”, CJJ 13-87, was abolished at the same time.
This regulation is published by China Construction Industry Press, the Institute of Standards and Quotas of the Ministry of Commerce.
Housing and Urban-Rural Development Department
May 13, 2013

We are manufacturer with fully completed Sliding Door Systems including Home Barn Door Hardware,Mini Barn Door Hardware,Heavy duty barn door hardware,Pocket door hardware and other barn door hardware products with more than 14 years of manufacturing . Our products are perfectly fit to residential home doors,commercial doors,farm doors and other outdoor using .

You may select the styles from our existing designs.Classically,simply and conveniently,we will make you own a cosy place.

We welcome DIY designs as well.Let us help you for a distinctive and own-style home.

Sliding Door Systems

Sliding Door Systems,Sliding Door Hardware,Heavy Duty Sliding Door Hardware,Industrial Sliding Door Hardware,Sliding Barn Door Kit

Foshan Nanhai Xin Jianwei Hardware Co., Ltd , http://www.aaghardware.com