FAQ
1.Q:Are there any special capabilities that your company has that we cannot see from the website?
A:We have passed the certification of ISO9001:2008 and TS16949 , our production and quality is ensured strictly of this
certifications . For any high quality products , we can do the PPAP and Control Plan as per customer's request .
We have our own CMM , we can inspect precision dimensions that the normal calipers can't measure , and ensure the quality .
2.Q:What are the maximum sizes and weights that you can produce: forging, casting & machining?
A:The maximum size for stainless steel parts could be 700*700*700mm , and the weight could be 200kg . The maximum size for carbon
steel parts could be 1000*1000*1000mm, and the weight could be 350kg .And we could also produce sand casting parts at our
cooperation company . The material is gray iron and ductile iron . For gray iron , the material grade could be HT150, HT200,
HT250, HT300, HT350 . For ductile iron , the material grade could be QT400, QT450, QT500 , QT600 . The maximum size for sand
casting could be Φ1500*2000mm , and the weight could be 4000kg . For the above size and weight is the maximum we could do , and
for the smaller parts we could also produce .
3. Q:What are all the types of materials you can supply for forgings and for castings ?
A:Material Available: For casting , the material could be stainless steel , carbon steel , alloy steel . For forging , the
material could be stainless steel , carbon steel , alloy steel , aluminium , brass .
4. Q:What kind of payment conditions do you accept ?
A:For samples , we need 100% sample fee to be paid before start making samples . Or if there is mold , we need 50%
mold cost prepaid , the balance 50% mold cost to be paid before shipment . We will send you Inspection Reports and
photos of samples for you to approve before shipment .
For mass production , 30% T/T down payment before production , balance 70% against B/L copy .
5. Q:How long does it take to quote ?
A:Usually we can quote out in two days after we receive RFQ with all the necessary details . But if there are more
than ten types need to quote , we will need about a week to quote .
6. Q:Do you provide modification service by CAD or 3D drawings from sample ?
A:Yes , we provide modification services if you want to change the design .
7. Q:I don't have any drawing , can I send you a sample ?
A:Yes , we can create drawings per the original samples offered by our customers .
8. Q:What formats of drawings can you open ?
A:PDF , CAD , JPEG , JPG , or 3D files such as IGS , STEP , Solid-works .
9. Q:How do i ensure that my data is protected and secured ?
A:Usually , we show our machining work by displaying pictures of parts in the website , but we promise not to sell to
others . If customer don't like to show their products on our website , we will promise his require .
10. Q:Why choose China Ningbo Tianhui Machine Co., Ltd ? Any advantages ?
A:The answer is Yes . There are five advantages :
(1) Mutual Win : Our offer will be reasonable , our price will be cheaper in the same quality .
(2) Customize: We can make the products as your request , shape and quality can meet your request.
(3) OEM : Laser print your logo ; Design your packing box .
(4) Mix Order : We accept mix order , different model and small quantity order .
(5) After Service : Can reback the off-test product or ask back the payment when get the off-test goods and judged
off-test by the third testing party .
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