Re: China wholesalers. Google search Chinese manufacturers rather than wholesalers. There are many good websites listing factories in China. If you just go for wholesale, you could get any sort of bandit claiming to offer goods. If you find something that takes your fancy, always insist on being sent a free sample. If they are not prepared to do this, ask yourself why.
You donât always have to replace the padding when thereâs a stain, or if you get new carpet, but you should be familiar with the issues surrounding carpets and the reasons why you may need to get new padding. A good rule of thumb for carpet padding is to replace it every 5 years. Your carpet may be in better or worse shape, though, so you will have to do an inspection to decide what shape itâs in.
Some experts recommend changing your air filter as often as every 3,000 miles (4,828 kilometers), along with changing the oil [source: 2CarPros.com]. Others say that's a little too excessive and that you should simply use your judgment in visually spot-checking the air filter and change it out when it looks dirty.