Discover premium-quality steel pipes built for durability, precision, and performance—perfect for your toughest projects at competitive prices.
GUANCO
Strength you can reply on, every pipe, every time.
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Discover premium-quality steel pipes built for durability, precision, and performance—perfect for your toughest projects at competitive prices.
Our values
Our company values are the foundation of everything we do. They include:
• Honesty: We believe in being transparent, trustworthy, and upholding the highest ethical standards in all our interactions.
• Hard Work: We are dedicated to achieving excellence through perseverance, determination, and a strong work ethic.
• Continuous Learning: We embrace innovation and growth by constantly seeking new knowledge and improving our skills to adapt to a changing world.
These core values guide us in building lasting relationships with our clients and driving sustainable success.
In 2009, Wenzhou Yisin company established to trade steel pipe and plate.
SISCO established. The products include plate,steel pipe, steel bar and wire, beams, pipe fitting,steel ball, nuts and bolts.
GYS (GUANYU STEEL,GUANYU TRADE) established,main product is stainless steel seamless pipe.
The trademark GUANCO registered
Headquaters is set in Wenzhou. Focus on business of stainless steel pipe and plate. Set up warehouse and mill for stainless steel pipes.
Constructing a 50000 square meters stainless steel seamless pipe factory.
Each department plays a crucial role in maintaining our commitment to excellence and customer satisfaction.
Supporting you from China to worldwide！
8F, Building B2, No.2999, Nanyang Avenue, Wenzhou City, China 325024
Phone.:+86 577 8660 6688
Changjiang Energy Stainless Steel Market, Longwan District, Wenzhou City
Houston
Phone：+1-626-861-7355
Lidun Industrial Park, Zhouning County,Ningde City,Fujian, China
No.4, Building A, No.118 Beihuang Rd, Wuxi City, China
Room 302, No.228, Liaohe Rd, Liaocheng City
