1. We are Shijiazhuang Hongfa Internal Combustion Engine Fittings Factory which specialized in produce various engine valve from 1990. Our main products are as below:

 

1.1.Engine Valves for Train

1.2.Engine Valves for Marine

1.3.Engine Valves for Car

1.4. Valve Seat

1.5. Standard or Nonstandard Engine valves

 

2.Features of our Engine Valve:

High Attrition and Temperature Endurance, High Erosion and Concussion Endurance, good hardness, wear resistance.

3.Raw materials:

Normal material:INLET VALVE IS SUH1(40Cr) ; EXHAUST VALVE IS SUH3(4Cr9Si2).

 Best material:INLET VALVE IS SUH3(4Cr9Si2) ; EXHAUST VALVE IS SUH35(21-4N).

4. Surface treatment of our engine valve:

Tuff trided/nitrided: valves are nitrided to increase the exhaustion strength, corrosion- and wear-resistant

Chrome-plated: valve stems with chromium to increase wear-/corrosion-resistant of stem

Stellite (seat hard faced): valves made by using deposit of stellite to get high hot hardness at seat

Bimetal: valve made by joining together two different valve materials by friction welding wherein high hot hardness alloy steel is used at head and stem made from a upright mechanical properties steel

5. Packing:

1.Neutral Packing: White Bag, White Box, Carton. One pc engine valve in one bag, one box includes 4 Pcs engine valve boxes. 20" Container includes 1000 cartons.

2. Packing according clients' requirements(packing of nominated brand)

Any interest pls contact us freeley, besty at hf-enginevalve.cn