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Hotline:+86 (0) 755 23289489

Location : Home > FAQ'S


Where is SP registered?

SP has a registered office in Hong Kong, the main office is registered and based in Shenzhen, China and our manufacturing facility is based and registered in Dongguan, China.

What if I am not happy with the parts received?

If the parts reach you and for whatever reason you are not satisfied you should notify us within 7 days of receiving the parts and we will replace or rework for free.

How long to get a quote?

Within 24 hours.

How do you manage quality?

Stage One: full DFM at time of quotation by highly experienced engineers. They will highlight any problem areas or make suggestions for changes. Stage Two: incoming inspection of materials with our own PIM Spectrometer Stage Three: Full QC inspection and report before shipping.

What are SP’s shipping terms?

All projects are DAP unless otherwise stated. This means the quote includes all freight and charges to a port of your choice. Any and all import and other taxes in your country are your own responsibility. If you require different shipping terms these can be negotiated on a case by case basis.

What type of files do you accept for quoting?

2D drawings like pdf; 3D drawings like igs,stp...

How can I pay?

We accept payment via bank transfer and Paypal.

What tolerances can you achieve?

SP generally work to ISO 2768-1 (F for machined metal, M for machined plastic, C for vacuum casting). We can sometime hit tighter tolerances, but this depends on the part geometry and material. If you require tighter tolerances than the ISO standard stated above these must be stated and negotiated at the time of quotation.

What about credit and payment terms?

We generally request customers work to our standard payment terms for at least the first order. These are 50% deposit and 50% prior to shipping. It is possible to negotiate other payment terms such as Net 30, but these are agreed on a case by case basis.


hotline: +86(0)13923410541

Address:1033 Room, JunTaihao Building, Fuyong, Bao'an District, ShenZhen, China


hotline: +86(0)18664987978

Address: No. 173, Yuanxia Road, Yuanjiang Yuan Village, Changping Town, Dongguan, China


Hotline:+86 (0) 755 23289489

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