>
Company History
2021
Won the "specialized and special new" small giant enterprise
2020
Prefabricated sand based ultra-low energy consumption building“ "Three sources in one" fresh air energy system; Roof, balcony planting and vertical green wall building
2019
Invention of "sand plastic self insulation building profile" technology
2017
Won the Geneva International Gold Award for invention
2016
Sandwood industrialization technology of successful development
2015
Sponge paddy field technology successfully developed
2013
"National sponge City Innovation Research Center" listed
2011
"Sand art relief" products were successfully developed
2010
"Breathing" flowerpot products were successfully developed
2008
"Silicon sand honeycomb water storage self purification technology" has been successfully developed
2007
State Key Laboratory of silica sand resources utilization established
2006
"Oil (gas) permeable and water blocking functional proppant" was successfully developed
Won the second prize of Beijing Science and Technology Progress Award
2005
"Sand based permeable brick" has been successfully developed
The inventor was cordially received by General Secretary Hu Jintao, and the product was called "a good product beneficial to the country and the people" by General Secretary。
2003
"High strength and low density membrane covering proppant" was successfully developed
2000
ZFS-K series special coated sand technology was successfully developed
Won the second prize of science and technology progress of China Machinery Industry Federation in 2007
1996
Renchuang technology company developed into Renchuang technology group
1994
Great Wall foundry company was transformed into Beijing Renchuang technology company
1992
Great Wall foundry company (predecessor of Renchuang Technology Group) was established
1991
He invented "high temperature resistant coated sand for shell mold casting" and won the National Invention Award
1988
High temperature resistant coated sand" invented
1986
In 1986, the first coated sand production plant in China was established
1985
Successfully researched the first generation of coated sand
Won the third prize of science and technology progress of Ministry of machinery in 1987
1981
Get to know the sand
WeChat public account
Douyin QR code
CONTACT US
Unit：Beijing Renchuang Technology Group Co., Ltd.
Address：5th Floor, Block B, Jiahua Building, No. 9 Shangdi Third Street, Haidian District, Beijing
Postcode：100085
Phone：（010）62987799
Beijing Renchuang Technology Group Co., Ltd. All rights reserved 京ICP备13002673号-1