2. Register at least one limited liability company, and there are also requirements for registered capital in different regions, with a registered capital of at least 500,000.
3. After the completion of industrial and commercial registration, it is necessary to purchase instruments and equipment and recruit chemical analysis engineers.
4. The instrument must be a national standard chemical analysis instrument certified by CMC. The basic instruments are gas chromatograph, spectrophotometer, soap film flowmeter, analytical balance, atmospheric sampler, radon detector, drying box and so on.