In heavy industrial maintenance, municipal engineering, extraction fields, and deep foundation construction, the degradation of pin-connection bores is an inevitable consequence of prolonged high-torque stress. Standard corrective methodologies historically mandated the complete disassembly of structural components, transporting massive assemblies to static machine shops. This workflow is economically disruptive, introducing significant logistics expenses and extended site downtime.
Portable line boring serves as the definitive engineering remedy to these challenges. By bringing precise machining capabilities directly to the field, operators can execute bored surface regeneration, cylindrical restoration, and concentric alignment on-site. When managing massive excavation equipment, pile rigs, or rotary drivers, in-situ line boring limits machine breakdown duration from weeks to hours.
Misalignment of concentric pin joints by as little as 0.05mm can introduce non-axial mechanical loading. This structural deflection accelerates wear on pins and bushings, which can lead to stress fracturing of structural members. An exporter's ability to supply calibrated, high-rigidity portable line boring packages directly impacts the operational reliability of multi-million dollar capital assets globally.
SINOVO Group is a professional supplier of construction machinery equipment and construction solutions. We operate globally as a direct manufacturer, product agent, and engineering consultant, servicing the international construction machinery and exploration industries.
Since the early 1990s, our founding engineering and management teams have served the heavy construction and mining equipment sectors. Over more than 20 years of technical innovation and market adaptation, SINOVO has built robust strategic alliances with top-tier global equipment manufacturers and premium domestic producers, earning multiple export engineering awards.
Our core business integrates structural piling machinery, hoisting rigs, water well drilling systems, and geological exploration platforms. We support these systems with advanced field accessories, including boring bars, hydraulic drives, and custom excavation tools, servicing operations across 120+ countries.
Our journey is marked by rapid modernization, regional integration, and expanded manufacturing footprint:
Today, Beijing Sinovo International & Heavy Industry Co., Ltd. operates an ISO9001:2015 certified production base covering 7,800 square meters. Our facility features over 50 precision machining units, enabling annual production of up to 1,000 core rigs, 250 water well units, and 120 large-scale rotary rigs.
Global Export Countries
Advanced Production Space
Total Infrastructure Investment (RMB)
Years Machinery Excellence
When sourcing portable boring bars from China, understanding pricing structures is essential. Quotes are calculated based on component configurations, structural dimensions, drive options, and compliance packaging. Here is a breakdown of our current pricing factors:
| Boring Bar Diameter | Boring Range (Diameter) | Standard Stroke | Drive Motor Options | Estimated Base Price (USD) |
|---|---|---|---|---|
| 30 mm (Series 30) | Ø35 mm - Ø150 mm | 400 mm - 800 mm | Servo / 220V Electric | $1,800 - $3,500 |
| 40 mm (Series 40) | Ø45 mm - Ø250 mm | 500 mm - 1000 mm | Pneumatic / Electric | $2,800 - $4,800 |
| 50 mm (Series 50) | Ø55 mm - Ø350 mm | 600 mm - 1200 mm | 110V / 220V Servo / Hydraulic | $3,200 - $6,200 |
| 60 mm (Series 60) | Ø65 mm - Ø450 mm | 800 mm - 1500 mm | High Torque Hydraulic / Servo | $4,500 - $8,900 |
| 80 mm & Above | Ø100 mm - Ø800 mm | Up to 2500 mm | Heavy-Duty Hydraulic Drive | Contact for Quote |
Note: Base prices reflect standard kits including boring bar, drive unit, axial feed mechanism, mounting cones, and universal bearing supports. Customized mounting fixtures, specialized bore welding heads, and extra-long bars will alter final quotes. Contact our export sales team for customized requests.
Operating near major steel hubs and heavy-industry sectors allows us to source premium structural alloys at optimal rates. Our in-house heat treatment and induction hardening facilities ensure durable, flex-free boring bars that prevent deflection during heavy-duty operations.
Our manufacturing base in Xianghe Industrial Park is situated only 100km from Tianjin Port. This strategic location simplifies domestic freight, reduces handling risks, and lowers shipping costs, allowing us to pass these savings on to our clients.
Our products undergo comprehensive quality control processes. SINOVO equipment is backed by ISO9001:2015, CE, and GOST certificates, meeting safety and operational standards across European, Central Asian, and Americas markets.
SINOVO Group coordinates technical operations with clients to ensure seamless service, from pre-purchase selection to on-site implementation.
We supply complete engineering datasheets, CAD assembly drawings, and material certifications. We coordinate third-party equipment inspections and customize tool lengths, boring bar diameters, and drive mounts to meet project requirements.
We maintain active production updates and keep high-demand parts in stock, enabling standard deliveries within 10 to 15 days. For custom configurations, our engineers coordinate closely with clients to minimize lead times.
We provide a comprehensive warranty covering key structural elements. We offer 1-2 weeks of on-site training and commissioning globally. For systems featuring Caterpillar (CAT) undercarriages, clients can access maintenance networks via local CAT service stations worldwide.
Our management and R&D teams bring over 30 years of manufacturing experience. We focus on structural design, electronic hydraulic controls, and variable-speed mechanical drive systems to keep our machinery competitive.
SINOVO Group prioritizes technical research and workforce development, operating a dedicated design center to continuously improve structural performance, system efficiency, and tool life.
Our equipment is designed, manufactured, and tested to meet international standards. We maintain active compliance and quality certifications across global jurisdictions:
To support our products, we offer an integrated after-sales system that helps clients operate reliably.
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Our technical engineering teams oversee structural, hydraulic, and electrical quality across all lines.
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We provide debugging, operator training, and field support during the warranty period.
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SINOVO
