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Company News
Quality-oriented Development to Consolidate Overseas Export Advantages
2026-07-06
Supported by full-process quality control system, our castings achieve over 98.5% first-pass yield with ISO9001 certification and repeated factory audits by European & American clients. We supply...
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Intelligent Transformation Empowers Investment Casting Upgrade
2026-07-03
Weifang Junlong finished the technical upgrade of automatic intelligent shell-making line with robotic coating and constant temperature & humidity drying systems for...
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Junlong Precision Casting Optimizes Shell-Making Process and Hits a New High in Casting Yield
2026-06-30
Junlong Machinery upgraded the shell-making procedure of silica sol investment casting. By improving wax cluster structure, dipping and air-drying control, we reduced deformation and sand inclusi...
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Seize Overseas Orders and Maintain Stable Production for On-time Delivery
2026-06-27
Weifang Junlong Machinery is fully occupied with overseas orders for forklift and petroleum precision castings. The whole production chain strictly follows silica sol investment casting technolog...
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Dual-process Layout Expands Overseas Markets, Exports of High-end Castings Maintain Steady Growth
2026-06-24
Adopting both investment casting and sand casting technologies, the enterprise supplies castings to over 20 European and American countries for construction machinery, energy, shipbuilding and ra...
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The Process Optimization Project of the Company’s Precision Casting Section Successfully Completed
2026-06-16
The company has completed the full-process process optimization of silica sol precision casting. By upgrading core casting parameters and standardizing operation management, the casting yield, ...
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In-depth Development of Precision Casting: Multi-material Castings Boost Upgrading of Heavy Industry Supporting Parts
2026-06-04
We adopt silica sol precision casting to produce 4140 alloy steel, Q345 carbon steel and 304 stainless steel castings for construction machinery, mining, trailer, food & marine equipment. OEM cus...
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TEN KEY INSPECTION POINTS FOR SILICA SOL COMPOSITE INVESTMENT CASTING IN EXPORT ORDERS (COMPLIANT WITH CUSTOMER REQUIREMENTS & SYSTEM AUDITS)
2026-05-28
For export customers and system audits, the ten key inspection points in the silica sol composite precision casting process from incoming materials to shipment are outlined to ensure traceability...
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Strengthening Downhole Operation Safety: Cable Protectors Become Essential for Oil & Gas Production
2026-05-26
As essential protection parts for ESP operations, oilfield cable protectors resist friction and extrusion to prevent cable damage and leakage, ensuring safe and efficient oil & gas production und...
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Deepen Precision Casting, Craft Quality with Ingenuity
2026-05-23
Weifang Junlong Machinery specializes in silica sol precision casting, manufacturing high‑end multi‑material castings for forklifts, construction machinery, marine and pump‑valve industries. Expo...
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