2010

founded in Ningbo,China

2011

done export business mian about the Precast products

2012

export business reach up 1 million $

2013

Start to do hose clamp business,work together with Baodian,export business in USA

2014

Our north facoty,QINGDAO branch founded 

LSW strated the local precast business 

2015

LSW worked together with many famous China precaster:like Vanke,Borad Homes,CSC

2016

Qingdao factory established,outcome from 500.000 to 6000.000pcs