HANGZHOU D&H IMP.& EXP.  CO.,  LTD is a specialist in making all kinds of mechanical transmission like: CNC precision parts, sprockets, chains, pulleys, locking devices, gears, gear shafts, taper bushes, couplings and so on. Not only standard parts we can produce, our biggest advantage is producing customized PT parts according to drawings, or even sketch. Besides our only brand ZCCPT, we also provide OEM service, such as John Deere, New Holland, such world famous brands are our steady customers. The field range of our products is very wide, such as agriculture, food industry, milling machinery, auto industry, and various conveyor machinery.  CNC machines, CNC work centers, grinding machines are our main equipments. Millions USD of our products are export to Europe, North America, Middle East, South Asia. For more than 10 years export business, we cumulate abundant experience in export trading.   We have more than 200 staff, more than 50 professional technical engineers to insure our quality.

• GB Standard Pully
• Straight Rack
• Inclined Rack
• Griving Spline Shaft
• Heavy Truck Driving Shaft
• Gear Rack Kits
• European Standard Pulley
• Timing Pulley
• Standard Racks
• US Standard Pulley
• Zinc Plating Rack Kits
• Vacuum Plating Spur Gear
• Steel Taper Bush
• Reducer Gear Shaft
• Straight Teeth Spur Gear
• Gearbox 2nd Gear Shaft
• Duplex Helical Teeth Gear
• Bevel Spline Gear
• Casting Taper Bush
• DF M350 Gear Shaft
• Helical Gear Shaft
• Helical Teeth Gear
• Helical Teeth Spur Gear
• Keyway Helical Bevel Gear
• Light Truck Gear Shaft
• Locking Device Series
• M2 Bevel Gear
• Special Surface Treatment Taper Bush
• Splined Duplex Spur Gear
• Splined Gear Series
• Splined Spur Gear
• Diaphragm Coupling
• Universal Coupling
• ML-Plum-Type Elastic Coupling
• NM-Pump Coupling
• XL Star Type Elastic Coupling
• Tire Coupling
• XLD Type Star Elastic Shaft Coupling With Enlarge Hole
• Auto-disable Syringe
• Disposable Two Parts Syringe
• Disposable Three Parts Syringe
• Citalopram Base
• Pharmaceutical Chemical Raw Materials
• Pharmaceutical Chemicals Materials
• Medicine Raw Material
• Chemical Raw Materials
• Pharmaceutical Chemicals
• Organic Chemical Raw Materials
• Capecitabine
• Intermediate Fluvoxamine Maleate
• 5-Methoxy-1-4-trifluoromethyl-phenyl-pentan-1-one
• Clopidogrel Sulfate
• Venlafaxine Hydrochloride
• Levocetirizine Hydrochoride
• Citalopram Hydrobromide
• Fluvoxamine Maleate
• Escitalopram Oxalate
• MARTIN Standard Triplex C Types
• MARTIN Standard Duplex C Types
• MARTIN Standard Simplex C Types
• MARTIN Standard Triplex B Types
• MARTIN Standard Duplex B Types
• MARTIN Standard Simplex B Types
• MARTIN Standard Triplex A Types
• MARTIN Standard Duplex A Types
• MARTIN Standard Simplex A Types
• DIN Standard Triplex C Types
• DIN Standard Duplex C Types
• DIN Standard Simplex C Types
• DIN Standard Triplex B Types
• DIN Standard Duplex B Types
• DIN Standard Simplex B Types
• DIN Standard Triplex A Types
• DIN Standard Duplex A Types
• DIN Standard Simplex A Types
• Duplex Casting Keyway Sprockets
• Duplex Finished Bore Sprockets
• Corn Harvester Sprockets
• Detached Blacked Sprockets
• Agricultural Finished Bore Sprockets
• Bearing Bore Sprockets
• Casting Finished Bore Sprockets
• Blacked Spline Sprockets
• Long Shaft Sprockets
• Groove Set Screw Sprockets
• Teeth Harden Sprockets
• Special Painting Sprockets