API 7K Workover Tongs with Detailed Machinery Test Certification
Nantong Percent Precision Manufacturing Co., Ltd
Jiangsu, China
Last Login Date:
Dec 03, 2025
Main Products:
Drilling Tools, Petroleum Equipment, Elevator, Slip, Spider, Manual Tong, Power Tong, Bushing, Elevator Links, Tong Dies and Slip Inserts
Product Description
Company Info
Basic Info.
Product Description
API 7K Workover Manual Tongs for Wellhead Tools
| Workover Tongs | Clamping Pliers Number | Clamping pipe Diameter Range | Maximum Torque kN·m | |
| in | mm | |||
| 1# | 2.3/8"-4.1/2" | 60.3-114.3 | 35 | |
| 2# | 4.1/2"-6.1/2" | 114.3-165.1 | ||
| 3# | 6.1/2"-8.5/8" | 165.1-219.1 | ||
| 4# | 9.5/8" -10.3/4" | 244.5-273.1 | ||
Founded in 2009, Nantong Percent Precision Manufacturing Co., Ltd. stands as a beacon of innovation and expertise in the arena of petroleum drilling tools. With over ten years of cutting-edge research and practical experience, we have mastered the art of producing an extensive range of handling and wellhead tools, including Elevators, Slips, Spiders, Manual Tongs, Power Tongs, and Dies and Inserts. Our products enjoy global recognition, rooted in our unyielding dedication to three core commitments: exceptional 100% service, impeccable 100% product quality, and unwavering 100% customer satisfaction.
Nantong Percent Precision Manufacturing Co., Ltd. is not just a company; it's an innovator in the realm of handling and wellhead tools for petroleum drilling. With our very own state-of-the-art factory, we excel in research, development, production, and sales. Our team of seasoned professionals is devoted to delivering superior-quality oil drilling tools and tailored solutions that meet your specific needs. Whether it's standard products or custom-engineered tools for unique applications, our Engineering and Manufacturing Departments stand ready to fulfill your every requirement.
As a trusted partner to clients both domestically and internationally, we at Nantong Percent Precision Manufacturing Co., Ltd. pledge to provide unparalleled satisfaction with our top-tier products, ensuring your confidence and trust in our brand.
1. Do you have OEM service? Do you supply the parts?
Yes, we do, as long as you provide us your drawing and detailed requirements.
2. How can we easily find out the most fit centrifuges?
We have experienced engineer team to help you make the model selection, as long as you proide us the detailed processing material characteristics.
3. What is your advantage compared with your competitors?
Quality and experience. We are the top supplier in China, our designs and structures are similar to world leader , Westfaliar, Flottweg etc.
4. How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection(including magnetic particle inspection, ultrasonic testing and loading testing). We check the goods when they go into next step production procedure.
5. What's the order procedure?
A: First we discuss order details, production details by email. Then we issue you an PI for your confirmation. You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 20-30days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
6. How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T and L/C are the most usual ways we are using.
7. How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
