Mainly producing machining spare parts, cast,forging and etc

Prior Machinery Ltd is a specialized manufacturer of machining/forging & casting parts in China from 1990. Mainly producing sheet metal, spline parts, flange+spline parts, flange, sprocket, spline shaft, pin, tie of cylinder rod, roller, pully, bearing housing and etc.  We have our own machining workshop, heat treatment workshop and forging factory. Our total staffs is more than 800, of which more than 100 are senior technical engineer. We have many national advanced facilities in forging, casting, mechanical machining and heat-treatment. Our factories are located at Changzhou, Jiangsu province, China, and we have a office at Jiading industry, Shanghai, China. We has established a complete quality control system, and have several labs with all kinds of Mechanic & Chemical Property Testing Equipments. We do IQC, IPQC, FQC to guarantee our quality.

SPROCKET -- Good Quality MADE IN CHINA!! Offering all kinds of customized & standard sprocket & steel chain like DIN Sprocket (06B-32B), motorcycle sprocket, ANSI Sprocket (25-200), Taper Lock Sprocket, Material: C45 grade steel, Stainless Steel Sprocket, Cast Iron Sprocket, Motorcycle Sprocket, Special Sprocket, etc. Mark: OEM, TOPROL. Packing: Individual. Sprocket features: 1>. Material: 50Mn, 42CrMo, CK45, alloy steel, stainless steel etc. 2>. Type: DIN/JIS/ISO/ANSI and Customized is available. 3>. CNC MC Machining through entire production process. 4>. Induction Hardened Teeth reaching HRC60-62 Depth 2mm - 7mm. 5>. Accurate Fit with Chains with long service life. 6>. Surface: oxide (black), ZINC, chrome plate etc. Sprocket specifications: Sprocket producer: Prior Machinery (shanghai) Co.,Ltd. Sprocket producing: Forging/Cutting -- Rough Machining -- Heat Treatment -- CNC Lathe Turning -- CNC Machining Centre Machining -- Induction Hardening -- Flaw Detection -- Black Oxide -- Label -- Packaging. Sprocket producing equipment: CNC Lathes & General Lathes & CNC Machining Center & Milling Machine & Stamping Machines & Driling Machines & Heading Machines & Thread Rolling Machines & Slotting Machines & Tapping Machines & Chamfering Machines & Grinder Machines. Sprocket testing: Height Gage & Coordinate Measuring Machine & Hardness Tester & Video Measuring Machine & Roughness Tester & Torsion Tester & Salt Spray Tester. Sprocket heat treatment: Thermal refining(quenching and tempering), Carburizing & Quenching, High-frequency quenching,Nitriding. Sprocket package: steel pallet or wooden box. Sprocket deliver date: 6-10 weeks. Sprocket brand: PM. Sprocket original: China.

Bearing Housing -- Good Quality MADE IN CHINA!! Offering kinds of machining parts, forging & casting parts with customized type. Products include spline parts, flange, sprocket, pin, sheet metal, cylinder rod, hydraulic parts, bearing housing, pully and etc. Bearing housing features: 1). Type: QT600 Casting parts. 2). Sphere Hole machining by Slant Guide Rail CNC reaching S tolerance 0.02. 3). Mounting Holes machined by CNC MC.