Starting from Tainan,
building a benchmark in kraft paper bag manufacturing
Chia Huang Paper Co., Ltd.｜Taiwan Industrial Kraft Paper Bag Manufacturer Since 1973・ISO 9001・FSC Certified
Founded in 1973, with over half a century dedicated to industrial kraft paper bag manufacturing, Chia Huang Paper today delivers industrial kraft paper bags and heavy-duty packaging solutions to manufacturers in Taiwan and worldwide, backed by an ISO 9001 quality system, smart production, and circular manufacturing.
About Gain Hwang
Who is Gain Hwang?
Chia Huang Paper is a Taiwan industrial kraft paper bag manufacturer, with core products including cement bags, chemical bags, agricultural fertilizer bags, and feed bags, along with other multi-ply heavy-duty kraft paper bags. Our factory is located in Shanhua District, Tainan City, and has been in operation for over 50 years since its founding in 1973.
As a Taiwan industrial kraft paper bag manufacturer, Chia Huang has long served local manufacturing industries while also exporting products to overseas markets through partners. The company holds ISO 9001 Quality Management Certification and FSC Sustainable Forest Certification, with regular audits ensuring standards remain effective.
Today, the heavy-duty kraft paper bags you see at cement plants, chemical plants, agricultural fertilizer plants, and feed mills across Taiwan very likely come from Chia Huang's production line in Shanhua, Tainan.
Company Profile
Company Information
Official information required for procurement audits and supplier registration. For certification document copies, please contact our sales team.
| Company Name (Chinese) | Cheer Royal Paper Co., Ltd. |
|---|---|
| Company Name (English) | Gain Hwang Paper Co., Ltd. |
| Unified Business Number | 72004096 |
| Factory Registration Number | 99657162 |
| Established | June 16, 1973 |
| Capital | TWD 95.2 Million |
| Main Office Locations | 741 Xinong Road, Shanhua District, Tainan City 741 |
| Phone | (06) 581-7111 |
| Fax | (06) 581-0189 ／ (06) 581-5953 |
| jhpaper233@gmail.com | |
| Certifications | ISO 9001 Quality Management Certification / FSC Sustainable Forest Certification (Certificate No. BV-COC-228695, valid until June 24, 2031) FSC Company Certificate PDF / FSC Product Category Statement PDF |
| Primary Markets | Domestic Sales in Taiwan + International Export |
Our History
Corporate History: Three Eras, One Commitment
From its founding in 1973 in Shanhua, Tainan, to establishing an auditable quality system with ISO 9001 certification, and on to digital transformation and circular manufacturing — every era of Chia Huang, a Taiwan industrial kraft paper bag manufacturer, has answered the most pressing questions facing manufacturing at the time.
Established in Shanhua, Tainan
Chia Huang Paper was founded in Shanhua, Tainan, establishing fundamental manufacturing capabilities for heavy-duty kraft paper bags, focusing on core products like cement bags and chemical bags, and building a local customer base through word of mouth.
Extended product line and established heavy packaging positioning
Business expanded from construction materials to aquaculture feed packaging, establishing the company's position as a heavy-duty industrial paper bag manufacturer and extending its service reach from Tainan across all of Taiwan.
Obtained ISO 9001 Quality Management Certification
Implemented a systematic quality management process and obtained ISO 9001 certification, transforming quality from a matter of reputation into a standard verifiable by international buyers, and formally expanding into overseas markets.
Initiated comprehensive digital transformation
Implemented ERP, IoT networked machinery, and smart meter carbon auditing, digitizing every stage of production for traceable quality and proactively meeting customers' supply chain transparency requirements.
Awarded Manager Magazine 100 MVP Product Innovation Award
Paper trim scraps are upcycled into Chia Huang's circular creative products, earning recognition with the 2021 MVP Product Innovation Award, turning manufacturing byproducts into market-valuable circular goods.
Awarded 14th Women Entrepreneurship Excellence Award - Legacy and Transformation Category
Chia Huang has been recognized for advancing on dual tracks of smart manufacturing transformation and circular manufacturing, continuing to lead this 50-year-old factory at the forefront of the ESG era.
Obtained FSC Chain of Custody (CoC) Certification
In June 2026, passed a Bureau Veritas audit and obtained FSC Chain of Custody certification (Certificate No. BV-COC-228695), enabling paper bags and materials to be declared under FSC Mix / FSC Recycled, giving customers verifiable grounds for green supply chain audits.
Inside Gain Hwang
Inside Gain Hwang's Manufacturing Facility
From raw materials to finished bag shipment, the real story of 50 years of industrial kraft paper bag manufacturing expertise.
Why Gain Hwang
Why Choose Gain Hwang Industrial Kraft Paper Bags?
No amount of self-introduction beats concrete reasons. The following three points are the selection criteria most frequently cited by procurement decision-makers.
50 Years of Manufacturing Expertise
With over 50 years of experience manufacturing industrial kraft paper bags, we've encountered every kind of specification challenge: powder chemical leakage, compatibility with automatic filling lines, precise printing requirements for feed bags... Whatever the problem, Chia Huang Paper has a solution, because we've very likely already solved it before. This is the confidence that comes from 50 years as an industrial kraft paper bag manufacturer.
Carefully selected long-fiber paper materials with quality control from the source
Chia Huang carefully selects long-fiber kraft paper as the core material for heavy-duty bags. The long-fiber structure delivers superior tear resistance and load-bearing strength, which is the key competitive advantage for heavy-duty bags. Combined with our ISO 9001 quality management system, every stage from raw paper to finished bag is rigorously controlled for stable, reliable quality.
Custom Manufacturing Capability
Our automated stitching production lines can produce everything from standard 25kg kraft paper bags to custom-specification heavy-duty paper bags. Four-color printing, multi-layer construction, and film lamination are all integrated in-house, eliminating the need to split work across multiple suppliers and reducing communication costs and lead-time risk.
Certifications & Awards
Certifications & Awards
Third-party recognition is the most credible quality assurance.
ISO 9001 Quality Management System Certified
The highest international standard for quality management certification, with regular audits to ensure continued validity. If you need a certificate copy for your procurement process, please contact our sales team.
Download ISO 9001 Certification Proof (PDF)
Verify certification status with ARES
FSC Sustainable Forest Certification
The raw materials for our kraft paper bags comply with FSC sustainable forest management standards, meeting the green supply chain requirements of international brands and buyers. Certificate No. BV-COC-228695 (License Code FSC-C228695), valid until June 24, 2031.
Download FSC Company Certificate (PDF)
Download FSC Product Category Statement (PDF)
Verify certificate status in the official FSC database
2021
Manager Magazine 100 MVP Product Innovation Award
Chia Huang's circular creative products program won the 2021 Manager Today Top 100 MVP Product Innovation Award, recognizing our achievements in recycling paper trim scraps.
Entrepreneurship
Excellence Award
14th Women Entrepreneur Excellence Award • Succession and Transformation Category
In 2025, Cheer Royal was recognized in the Succession & Transformation category of the Female Entrepreneurship Excellence Award for its advancements in smart manufacturing transformation and circular economy initiatives.
Explore More
Learn More About Gain Hwang
Select the topics below to learn more about our different aspects.
Get In Touch
Ready to work with Gain Hwang?
Tell us what you need, and our sales team will respond within one business day. Special specifications, certification document requests, OEM inquiries — all welcome.
Cheer Royal Paper Co., Ltd.
- Tax ID: 72004096
- Phone: +886-(06)581-7111
- Address: No. 233 Xingnong Road, Shanhua District, Tainan 741, Taiwan
- Email: jhpaper233@gmail.com
Main Menu
Products
Manufacturing Technology
Raw Material OEM Services
Copyright © Cheer Royal Paper Co., Ltd. | Powered by Cheerway