Precision Engineering DTH Drill Pipe For Mining And Water Well Drilling
We only use high-quality materials, such as high-quality alloy steel, to ensure that our drill pipe can withstand the harshest drilling conditions. Our precision machining technology results in uniform wall thickness and smooth, consistent surfaces, providing better wear resistance and longer service life.
We know that each customer's needs are unique, which is why we offer customizable options for drill pipe. From different diameters and lengths to a variety of connection types, we can create a product that meets your specific requirements.
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm;
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;
Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG,
2 3/8 API IF, 3 1/2 API IF





Shandong Zhengyuan Drilling and Production Intelligent Equipment Co., Ltd. was established on June 29, 2019. We have established complete production workshops, research and development workshops, and their supporting facilities, specializing in the scientific research and development, design and manufacturing, and engineering construction of various perforation equipment. We are a water well drilling rig service provider that integrates research and development, manufacturing, and sales. Our company's products are widely used in various fields such as water wells, rescue wells, dewatering wells, large-diameter blasting holes in mines (replacing rotary drills), exploration sampling, hydropower, highways, coal, oil, natural gas, coalbed methane, municipal engineering, monitoring wells, ground source heat pump holes, anchoring, and non excavation.
The zhengyuan Zhongbang series products are a newly developed series of products by our company aimed at meeting the needs of foreign markets and domestic mid to low end customers. This series of products not only retains the stability of the Zhengyuan drilling and mining series products, but also further reduces production and manufacturing costs, optimizes the supply chain of complete machine spare parts, and is the most cost-effective drilling rig product in China. The products have improved the product line of the Zhengyuan family and enhanced the competitiveness of the Zhengyuan brand in the mid to low end market.






1. Are you a trading company or a manufacturer?
We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, down-the-hole drilling rigs, pile drivers, etc. The products have been exported to hundreds of countries around the world and enjoy a high reputation all over the world.
2. How can we guarantee quality?
Always a pre-production sample before mass production;always final inspection is done before shipment;and our main unit has a one-year warranty, during which all damaged accessories can be replaced with new ones. We provide machine installation and operation videos.
3. How to inspect the goods?
1) Support customers to come to the factory for on-site inspection.
2) Support customers to designate third-party companies to inspect goods.
3) Support video inspection.
4. Do you have after-sales service?
Yes, we have a dedicated service team that will provide you with professional technical guidance. If you need, we can send our engineers to your workplace and provide training for your employees.
5. How about quality assurance?
We provide a one-year quality guarantee for the main machine of the machine.
6. How long is your delivery cycle?
1) In the case of stock, we can deliver the machine within 7 days.
2) Under standard production, we can deliver the machine within 15-20 days.
3) In the case of customization, we can deliver the machine within 20-25 days.
7.Can you do OEM for me?
We accept all OEM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you ASAP.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


