Information management party and contact information
This website is operated by Yangchun Tongcheng Powder Products Technology Co., Ltd. For questions about personal information, contact Cai Jibin by phone or WhatsApp at +86 138 2764 3424, or email lantianyewu@163.com. Address: No. 1, Gangqiao Industrial Park, Gangmei Town, Yangchun City, Guangdong Province, China.
Information collected by the website
When you fill out an inquiry, the website processes your name, company, country, material grade, manufacturing process, estimated usage, and project requirements. The server or hosting service may also record necessary technical information such as IP address, browser type, access time and error logs.
WhatsApp Inquiry
The submit button adds the form details to a draft WhatsApp message and opens WhatsApp. You can edit or cancel before sending. WhatsApp and its service providers process the information under their privacy terms.
Information usage purpose
Information is used to respond to inquiries, evaluate material and workmanship needs, prepare quotes, arrange orders and deliveries, maintain records of communications, secure the site and comply with applicable legal obligations. Tongcheng will not sell inquiry information to third parties.
Preservation, security and cross-border processing
Communication and transaction information will be retained for a reasonable period necessary to fulfill inquiries, cooperation and legal obligations, with access controls appropriate to the size of the business. Overseas communications, website hosting or WhatsApp services may cause information to be processed in different countries.
Inquiry, correction and deletion
You can inquire or correct submitted information through the above contact information, and request deletion or restriction of use to the extent permitted by applicable law. In order to confirm that the request comes from the person, Tongcheng may need to check necessary identity or communication records.
Policy updates
If there are changes to website forms, analysis tools, or information processing methods, this page will be updated accordingly. The current version was updated on September 3, 2026.