1993 Changbai Korean Autonomous County Diatomite Co., Ltd. was established (predecessor of Changbaichuan-Diatomite Co., Ltd.)
In 1999, Qingdao Chuanyi Machinery Chemical Co., Ltd. was established, and developed and produced a series of products such as “modified diatom concentrate sewage treatment agent”;
In 2002, Qingdao Chuanyi Diatomite Co., Ltd. was established, and its production base is located in Qingdao, covering an area of ​​more than 70 acres. Established a global supply network and became one of the largest export suppliers of diatomaceous earth;
In 2003, Qingdao Chuanyi and Japan Co., Ltd. worked closely together to develop innovative diatom mud wall products;
In 2004, Qingdao Chuanyi Machinery Chemical Co., Ltd. passed the ISO9001-2000 product quality management system certification;
In 2005, the Changbaichuan-Diatomite Co., Ltd. was established and obtained the mining license issued by the Jilin Provincial Department of Land and Resources and began to explore. And jointly experiment with Hubei University and develop a high-efficiency energy-saving modified diatom concentrate sewage treatment system;
In 2006, Chuanyi Enterprise became the only manufacturer in the diatom mud wall material industry with the right to exploit the original diatomite ore, with an area of ​​1.47 square kilometers and the reserves of minerals and the quality of the original soil (the SiO2 content is over 90%).
In 2007, Chuanyi Enterprise won the new practical patent of “Development of Modified Diatomite and Membrane Ultrafilter” and won the Innovation Fund of Ministry of Science and Technology;
In 2008, Qingdao Diatomite Co., Ltd. was awarded the National Spark Program Project Certificate;
In 2009, Chuanyi Diatomite Co., Ltd. won the invention patent for diatom mud wall material;

Received the Science and Technology Progress Award of Qingdao Municipal People's Government
Join the China Building Decoration Association;
Join the Building Materials Federation Ecological Buildings Branch;
Participated in an exhibition of delegations organized by several ministries and commissions of the Ministry of Science and Technology of China and Premier Wen Jiabao to participate in the exhibition in Egypt;
Won the "China Brand Construction Technology Innovation Contribution Award";
He was awarded the honorary title of “Top Ten Brands for Customer Satisfaction in China Green Building Materials Market”.
In 2010, Chuanyi diatomite wall material was rated as “the preferred diatomite wall material brand for Asia-Pacific space designers”;
Invited to enter the Shanghai World Expo Private Enterprise Joint Pavilion;
Participated in the post-earthquake restoration and reconstruction project of Yongquan Primary School in Ya'an City, Sichuan Province organized by the United Nations;
Join the China Diatomite Association;
In 2011, Chuanyi Diatom Mud won the “China Eco-Building Material Industry Innovation Product Award”;
Ms. Dong Buzhen, Chairman of Chuanyi, was awarded the “China Eco-Building Industry Innovation Elite Award”;
Presided over the drafting of standards for the Chinese diatom mud industry;
The diatomite wall material won the Innovation Fund of Jilin Province and the Innovation Fund of the Ministry of Science and Technology;
Won the famous trademark of Shandong Province;
China Private Technology Development Contribution Award;

In 2012, Chuanyi Diatomite Co., Ltd. won the Jingrui Award for Excellence in Green Technology Products.
In 2013, Chuanyi Diatomite Co., Ltd. was awarded the Chinese diatom mud wall material production, research and development and application base by China Building Decoration Association;
Chairman Chuanyi was awarded the 2013 China (diatom mud decorative wall industry) brand women selected by the Brand China Industry Alliance;
"2012 China Women's Green Person Award" selected by China Women's Daily;
Brand China Industry Alliance awarded Chuanyi Brand “2013 Brand China Gold Spectrum Award – Top Ten Brands in China Diatom Mud Decorative Wall Industry”.
Year 2014
Chairman Chuan Yi was elected as the vice chairman of the China Diatom Mud Technical Committee;
Chairman Chuan Yi was invited to participate in the World Women's Conference;
Qingdao Chuanyi Diatomite Co., Ltd. was awarded the 2014 Diatom Mud Brand Building Award by the China Building Materials Federation Ecological Environment Building Materials Branch;
Qingdao Chuanyi Diatomite Co., Ltd. was awarded the 2014 diatom mud product quality trustworthy enterprise by the China Building Materials Federation Eco-Environmental Building Materials Branch;
Qingdao Chuanyi Diatomite Co., Ltd. formulated and drafted the “National Standard for Industrial Diatomaceous Soil Filter Aids”;
Qingdao Chuanyi and Qingdao University of Science and Technology established a university student entrepreneurship training base and a college student employment practice base;
Qingdao Chuanyi won the certificate of high-tech enterprise;