FAQ
Are there any special capabilities that your company has that we cannot see from the website?
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 caplliers can’t measure, and ensure the quality.
What are the maximum sizes and weights that you can produce: forging, casting & machining?
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 grey iron and ductile iron. For grey 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.
What are all the types of materials you can supply for forgings and for castings?
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, aluminum, brass.
What kind of payment conditions do you accept?
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.
How long does it take to quote?
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.
Do you provide modification service by CAD or 3D drawings from sample?
Yes , we provide modification services if you want to change the design.
I don’t have any drawings, can I send you a sample?
Yes, we can create drawings per the original samples offered by our customers.
What formats of drawings can you open?
PDF, CAD, JPEG, JPG, or 3D files such as IGS , STEP, STP, X_T, etc.
Common express companies:
DHL, FEDEX, TNT, UPS. We will choose the most economical shipping method.
How do I ensure that my data is protected and secured?
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.
Why choose China Ningbo Tianhui Machine Co., Ltd ? Any advantages?
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 refund the off-test product or ask back the payment when get the off-test goods and judged off-test by the third testing party.