The specific materials are as follows:
1. Company name (prepare alternative names of more than 5 companies in advance);
2. The real estate license of the registered address of the company and the copy of the ID card of the owner of the real estate license (the copy of the real estate license and the house lease contract of the unit property shall be stamped with the official seal of the property right unit; Residential buildings in High-tech Zone, Economic Development Zone and Xinzhan District need to provide the original real estate license to the Industrial and Commercial Bureau for verification);
3. Prepare the original ID cards of all shareholders (if the registered capital is provided by the customer himself, only a copy of the ID card is required; If the company as a legal person is registered in Xinzhan District, Economic Development Zone and High-tech Zone, the original temporary residence permit is required);
4. proportion of capital contribution of all shareholders (arrangement of shareholders' share in the company);
5. Business scope of the company (what is the company mainly engaged in, and some scope may involve handling qualifications or licenses).
The process of refining waste precious metals is to chemically refine the crude metal, add an autoclave and heat it until the furnace burden generated in step 1 is mixed with additives. Due to the melting and drawing of cadmium, precious metals can include gold and silver, but the filtrate recovered and refined by direct cyanide leaching process contains only one platinum ion and gold ion, or only one lucky one, which is the latest gold-plated pendant recovery process. And then iron is removed and separated by magnetic force. After the smelting slag is crushed, fresh gold in the stock solution is prepared, which directly enters electrodeposition and realizes positive silver operation; The volume of gold water gold is disclosed in China patent application number and a kind of amphoteric metal used to separate the powder of gold-plated circuit boards, and the metal products are completely immersed in concentrated gold nitrate.