It is an enterprise specializing in air operated diaphragm pumps, electric diaphragm pumps and piston pumps. GK not only absorbs advanced technology from abroad but also possess the ability to innovate and develop new products. We have the most com-plete specifications and varieties of air operated diaphragm pump. We have department for independent design and innovation, we have skillful worker teams with strong ability for precision machining. Pump size includes 1/4", 3/8", 1/2", 3/4", 1", 1.5", 2", 3" , pump casing materials include Stainless Steel, Aluminum, Ductile Iron, Cast Steel, Plastic, PVDF. Our diaphragm pumps have a variety of import and export connection methods for simple structure and convenient use, this can be solve the problem of medium transportation easily! In addition, we have Smart Pump and New Energy Special Diaphragm Pump. GK's partners are all over Asia, Middle East, New Zealand, Australia, and etc. Our vision is to allow our customers to use our products with peace of mind and provide customized services OEM to domestic and foreign com-panies. We promise to build a better future together with our customers!

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.

Ningbo Wantuo Metal Products Co., Ltd., located in Beilun District, Ningbo, Zhejiang, specializes in precision casting, forging, and machining. Our main products include stainless steel (304, 316), aluminum, brass, copper, and more, widely used in industries like petroleum, automotive, and shipbuilding. With ISO9001 and PED certifications, we ensure high production standards, offering precise tolerances (0.01mm) and roughness (Ra0.4). 90% of our products are exported to the US, EU, and other regions. We are committed to providing excellent international services and developing custom solutions for clients globally.