Customer Service
Professional · Attentive · Always Responsive
130-7291-3676
Weekdays 9:00–18:00
Taobao / Tmall / Douyin stores
Real-time answers to product questions
Guidance on lacquer application · mixing ratio advice
Dedicated contact for universities and restoration institutions
Small items shipped by SF Express / Deppon
Bulk goods by dedicated freight line
Tracking available throughout
Free replacement for damage in transit
Apply with a photo
No need to return the damaged item
Unopened goods: 7-day no-questions-asked return or exchange
Quality problems: compensation paid first
Custom goods: as set out in the agreement
Batch test report shipped with the goods
Certificate of production from the ICH workshop
Certificate of collection included with custom gift boxes
Lacquer is a natural material, and temperature and humidity affect how it dries. Please store it in a cool, dark place after delivery, and contact customer service at any time with questions.
Every Zhengdaming product has an origin and an identity.
Scan the traceability QR code on the packaging to see the lacquer grove origin, tapping batch, test report and processing records — fully transparent and fully checkable.
Traceability channels: scan the code on our official website / the "Zhengdaming Traceability" menu on our WeChat official account
Genuine packaging carries an anti-counterfeiting label; scratch off the coating for a 16-digit security code, which can be verified through any of the following channels.
How to verify: the anti-counterfeiting page on our official website / the customer service hotline / the WeChat official account "Zhengdaming Official"
Online and offline working together — when buying Zhengdaming products, please look for our official channels.
Official stores on Taobao, Tmall and Douyin, shipped directly from the source with authenticity guaranteed. For corporate purchasing and bulk customisation, please use the business cooperation channel.
Niuwang Raw Lacquer ICH Exhibition Hall · Longtou Village lacquer seedling base. In-store purchase, tours of the lacquer groves and tapping experience by appointment.
Click a question to expand the answer. For anything not covered here, please contact customer service directly.