Our commitment to quality and compliance is reflected in the certifications and accolades we’ve earned from respected institutions worldwide. These recognitions are more than just documents - they represent trust, performance, and long-term reliability.
Official legal documents that verify our company’s registration, financial credibility, and operational legitimacy for conducting domestic and international business.
Authorizes Gongchi to manufacture pressure-rated plastic piping systems in compliance with national safety regulations for special equipment.
Confirms copyright for Gongchi’s proprietary software: Pipe Retraction Monitoring System V1.0, developed for internal quality control and pipe performance testing.
Certified trademarks protecting our proprietary brands and product identity, ensuring customer trust, brand consistency, and legal recognition in domestic and global markets.
Our flagship trademark and company identity, GONGCHI is widely recognized in both domestic and global plastic piping markets.
A premium line under Gongchi Plastic, HUANGPIN stands for elegant design, quality material, and advanced manufacturing.
JIUSHENG reflects durability and strength. A trusted name for stable, long-lasting plastic piping systems.
Specialized in water-related systems, DISHUI ensures clean, efficient, and safe water flow for residential and municipal use.
Modern and innovative, BENSU is built for smart piping solutions with excellent performance and aesthetic balance.
SHUANGGU represents reliable twin-pipe concepts, ideal for demanding infrastructure or dual-system installations.
Internationally recognized certifications validating our commitment to global standards in quality assurance, workplace safety, environmental responsibility, and product compliance for international markets.
Demonstrates Gongchi’s dedication to maintaining consistent quality across production and operations.
Certifies our commitment to eco-friendly practices and responsible manufacturing processes.
Ensures that our working environment prioritizes safety, health, and continuous risk management.
This certificate confirms that Gongchi’s PPR pipe fittings comply with the European Construction Products Regulation (EU No 305/2011) and conform to EN ISO 15874 standards, enabling market access and customer confidence across the EU.
Honors and recognitions from industry institutions that reflect our innovation, product quality, and long-term contributions to the plastic piping sector.
Recognized by the Chinese government, this certificate honors Gongchi as a nationally certified high-tech enterprise—acknowledging our commitment to technological innovation, R&D investment, and industry-leading product development.