Official Company Name Change Announcement
Shandong Longgang Silicon Technology Co., Ltd. → Shandong Zhongzhi Chemical Technology Co., Ltd.
Dear Valued Customers and Partners,
We hereby announce that our company has officially changed its registered company name from:
Former Company Name:
Shandong Longgang Silicon Technology Co., Ltd.
Current Company Name:
Shandong Zhongzhi Chemical Technology Co., Ltd.
Effective Date:
April 10, 2026
The company name change has been officially registered and approved through the relevant Chinese government registration authority.
Please note that:
- The Unified Social Credit Code remains unchanged: 913707865677295728
- The legal entity remains the same
- Company ownership and business operations remain unchanged
- Production facilities, quality standards, certifications, and export activities continue as before
This name change represents our company's continuous development and expansion in the chemical industry.
We sincerely appreciate the continued trust and support from our global customers and partners.
Sincerely,
Shandong Zhongzhi Chemical Technology Co., Ltd.
Official Registration Record
Below are official records from China National Enterprise Credit Information Publicity System confirming the company name change:
Official Company Name Change Record — Page 1
Official Company Name Change Record — Page 2
Our Contribution to Industry Standards
Under its former name of Shandong Longgang Silicon Technology Co., Ltd., our company participated in the drafting of HG/T 2568-2021 Industrial Sodium Metasilicate Standard, a Chinese chemical industry standard for sodium metasilicate.
Official Record — National Public Service Platform for Standards Information
Screenshot from National Public Service Platform for Standards Information. Click to view the official record.
Official verification link: std.samr.gov.cn/search/orgOthers?q=山东龙港硅业科技有限公司
Verification of Historical Documents
Some certifications, technical documents, and regulatory filings may still display the former company name. These documents remain fully valid and legally binding. For document verification or to request updated documentation, please contact us.
| Document Type | Validity |
|---|---|
| ISO 9001 Certificate | Valid — Same legal entity |
| ISO 14001 Certificate | Valid — Same legal entity |
| REACH Registration | Valid — Same legal entity |
| MSDS / TDS | Valid — Product specifications unchanged |
| HG/T 2568-2021 Standard | Valid — Standard drafting participation unchanged |
