Company Information Shijiazhuang Hongfa Internal Combustion Engine Fittings Factory was estabished in 1990.We have 500 employees. 24 year’s Expert of engine valves, for motorcycle, automobile, truck, bus, train and ship, generators, The largest engine valve factory in Northern China.
Product shoucase
Valve spindle used ship marine boat engine valve for JICHAI 190 About engine valve Generally Raw Material: Intake valve: 4Cr9Si2 Exhaust valve: 21-4N, 21-4N+4Cr9Si2, also customized. Material Especially for Marine valve spidles: 1. Si-Cr (4Cr10Si2Mo) 2. Ni-Cr-Mn-N (23-8N) 3. Ni-Cr-W (SNCRW) 4. NI (NI80A) Harden process for valve seats' surface: 1. High frequency quenching 2. High alloy welding Harden process for valve stem: 1. Chrome-plating 2.Nitriding 3.Quenching/Spray welding Simple dimension arrange of our valves: d: 10-100mm D: 45-500mm L: 120-1787mm Advantages: High Attrition and Temperature Endurance High Erosion and Concussion Endurance Good hardness, wear Processing procedure
Packaging & Shipping Packing :1. one pce in one plastic bag+plain inner box+plain master bo 2. plastic bag+inner box+wooden case 3. color box 4. as customers' demands Shipping : by sea or by air
Our Services In order to offer satisfied services for the consumer,we can produce engine valve according to OEM NO.,drawing,sample and custom manufacturing for the specifical enginevalve. We will try our best to give you the best service! If you have any question, contact me !
Q1. How long is the warranted time? 2 years or 160 000 kilometers Q2. How about the payment you accept? T/T L/C WESTER UNION MoneyGram Q3. How long will you need if t give you an order? within 7 days if in stock within 25 days if no stock Q4.How about the package? white bag, white box, carton. Packing as clients' requirement(packing of nominated brand Q5.Which port you support? We support any port in China