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Old 20th June 2019, 05:14 PM   #51
nigelwright7557 is offline nigelwright7557  United Kingdom
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Originally Posted by phofman View Post
Me neither. I am buying electronic stuff from China constantly.
The only thing I buy from China is bare PCB's.
Very, very cheap and good quality.

I have been bitten numerous times with cheap Chinese junk and just gave up on them.
IRFP240 that lasted 10 minutes until I unplugged soldering iron and the amp blew up. Replaced with IRFP240 from RS Components and despite trying very hard couldn't get the amp to blow up.
Bought 4 flash drives that took 3 months to arrive and none worked.
Bough some nail scissors that just ben taround my nails instead of cutting them.
Etc etc etc
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Old 20th June 2019, 05:44 PM   #52
phofman is offline phofman  Czech Republic
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I have been receiving a few packages a week for maybe ten years. From time to time a real trash comes but the price suggested so, I can hardly expect good quality if an item costs one dollar incl. shipping to Europe. But even that is not a trash automatically, I have bought countless arduino/STM32 boards for $1.50 and they all worked fine (one time had I to resolder the chip). All my 3D printer components come from chinese ebay, dirt cheap, good quality. Every general-use 3D printer manufacturer buys their parts in China...

But it takes a bit of know-how though, like everything. Most brand-new electronic components from China are fake, like your IRFP240 was. There is simply no way a seller could get hold of a new item at the price they advertise. Unless you buy pre-owned and tested, from a reputable seller (this forum as well as eevblog has reliable lists of them). I cannot complain about these. They are not dirt cheap, but are genuine, extracted from all the electronic trash the whole world dumps to China. Priced about one third of new item price and work fine.

From the many hundreds of packages I have ordered, I have lost money on maybe one or two. Almost always have I received a full refund in case of a problem, or the seller resent a new item. They usually offer a refund or resend. Resending a correct/working item is quite common. Yes, it takes an extra month, but I can do anything else in between, or buy it locally for multiple of price, if needed.

If in doubt about the item, talk to the seller before ordering. Sometimes you will learn he is incompetent (e.g. if the item description contains obvious nonsenses, he speaks hardly any English) and you will order from someone else.

Really I have no problem with ebay stuff from china, when chosen with a little bit of care. Ebay is generally cheaper than aliexpress and usually offers larger selection. But some stuff is on aliexpress only.
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Old 20th June 2019, 05:50 PM   #53
nigelwright7557 is offline nigelwright7557  United Kingdom
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I can only pass on my experiences which haven't been good.
After poor quality its the postage time that kills it for me.

On the other hand I can get pcb's in 5 days from China but I do pay through the nose for postage via DHL.

I bought 4 mains adaptors and after 3 weeks all 4 are dead despite being run well under max power. I cant pass those sort of components on to customers.
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Old 20th June 2019, 06:01 PM   #54
phofman is offline phofman  Czech Republic
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Originally Posted by nigelwright7557 View Post
I cant pass those sort of components on to customers.
Definitely. I am not selling the stuff I get from ebay/China to my customers, that would take a very different procurement procedure. Especially power adapters :-) We all are selling to our local customers at european/western prices, not chinese. There is price room for local suppliers of trustworthy products.

I use all the chinese stuff in my company (mostly IT items) and for myself and my friends.
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Old 20th June 2019, 06:42 PM   #55
phofman is offline phofman  Czech Republic
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As of power adapters - these are perhaps the least reliable items to buy on ebay from china, no way. I have bought DC/DC converters for our servers from a UK ebay seller. Of course they are selling chinese items (everything is manufactured in China), but have been selling this particular brand for years and with long track of reliability. The price was double, but still very good. The convertors have been running for several years now (knock knock :-) ). The UK company is still selling them, one for another server arrived recently.

If it is critical, the stuff must be manufactured (not only re-sold) by a company that has an up-to-date website (even in chinese, google translator is OK) and has been active in this area for a few years. An email to their sales department, they usually respond even about single-quantities and recommend an ebay/aliexpress seller (often these manufacturers have their own accounts). I purchased all window sun-shade motors for my house directly from their chinese manufacturer, also a large central vacuum cleaner unit from a company manufacturing the same motors for Electrolux vacuum cleaners (the rest of the cleaner is just a sheet metal, nothing to be unreliable).

It takes a bit of searching, emaling, but it works. Everything around us is from China, low as well as high quality, it's just a question of finding the right manufacturer. And being ready to pay a fair price, not one dollar. Still much cheaper than buying it locally with fat margin of four resellers along the chain.
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