please take to your knowledge, before you ask for help regarding a UK supplier selling mobile phones, electronics or computer !
If the given phone or fax number starts with +4470 it is a link number what connects you with anywhere in the world, but not to a real UK supplier !
The same you can expect when the phone or fax starts with +4487, that is a computer service provider or National link number with equal effect !
All following Modifications like +44070, +44087 or 70..., 070, 87..., 087 without Country Code for connections to the UK are same,
this numbers are mostly used by fraudsters to hide their Place of residence, you can be 100% shure that it is a fraud !
Generally all Geographic landlines in the United Kingdom incl.Northern Ireland start from abroad with +441 or +442 and will be followed by 8/9 digits !
All mobile phone numbers and other combinations of numbers are not comprehensibly if they are used by a fraudster,
no real company will only provide a mobile number !
Until now there is no legal company known, who advertise on Alibaba, using one of the first mentioned numbers or only a mobile number !
For a worldwide destination check of phone and fax numbers, you can use, up to ten searches a day free: https://www.numberingplans.com//?page=analysis&sub=phonenr
Possible exceptions, may announce themselves, them can then after examination in an exception list be led.