About US

About Us

Welcome to Grande-Tek

Industry-leading Valves Manufacturer

Guard tank valve is a division of the Grande-tek group , with over 28 years of experience in the manufacturing of precision cast parts and valves and accessories . Guard tank valves has built a solid reputation in the manufacturing of valves and fittings for the transportation of bulk liquids in the tank container, road tanker for oil, chemicals, powders, liquefied gas and foodstuffs.

Guard owns four modern factories in China and Vietnam , two casting foundry and one machining center in Cangzhou city ,one casting and machining centre in Vietnam , the total occupied area is 200,000 squar meters. With the strong production capacity and professional R&D team ,Guard has a good control of the production from first design to final service to meet each customers’ standard and bespoke requirements.

TKGuard Factory

First Class Facilities

Guard invest for various precision production instruments such as CNC Multi-axis machines , robotic-welding machine, auto-casting machine,ect . Our engineers can develop products according customers’ request to a finished product completely in-house. Our precision testing machines all purchased from Japan such as Spectrometers and projector ,universal testing machining, nondestructive testing equipment to fulfill the inspection for materials, finishes.

Talented and Fully Trained Staff

Guard have over 100 well-trained, motivated, and passionate workers willing to go the extra mile to manufacture world-class products, including valves and spare parts. 15% of them had worked at Grande-tek for more than 10 years, they are the base of Guard stable service and products performance .

Strict Quality Control System

Guard joined the membership of ITCO on the year .Our factory certified by ISO9001,CE, Lloyd’s ,RMRS ,CCS. Products produced according the ADR,IMDG,EN standard request . We strictly comply with the ISO 9001, ISO 14001 and ISO TS 16949 quality system for production management, at the same time, we have a strict quality and environmental control measures, combined with the specific requirements of customers, to ensure that the process and the final product at the most stringent control. All our products are 100% tested to ensure they meet the highest industry excellence standards.


More than 36 technicians team to supply both standard and customized products for each customers.

 Latest CAD  & CAE software adopted by our engineering team for multiple purposes: design, drawing, 3D modeling, flow rate measurements,  and others.

 Now our standard products includes the following items :Manlids,Relief valves,Air inlet ball valves,Butterfly valves,Foot valves,Flanges,All kinds of spare parts.

Globally Available service

Guard is a well-known name in the international containers and tank trailer industry

Guard tank valves are available in various locations all around the world, including Russia, Europe, Houston-USA, Mumbai-India, China, Thailand, and Japan.

Our tank valves’ distributors and subsidiaries ensure that all deliveries reach our customers on time. In addition, they ensure after-sell service are always available to meet buyersimmediate needs.