1. Prerequisites for renting a car: Resident ID + credit card (exceeding 4,000 RMB) + driver's license (more than half a year) 2. When renting a car: Pre-authorize the brush 4000 yuan as a deposit, and cancel the pre-authorization when the vehicle is used; 3. When the vehicle is returned: The pre-authorization of the brush of 1000 yuan will be used as the illegal deposit during driving. If there is no violation after one month, the pre-authorization will be automatically cancelled; 4. Usage Details: Only rented vehicles will be exempted within 7 days (including 7 days) of rent. Other insurance fees, fuel costs, and service charges are all borne by you. The use time includes the time of the Spring Festival and 7 days free car rental only. Once it is used up, it cannot be dismantled; if the lease term exceeds 7 days, the rent for the previous 7 days will be exempted; the excess days will be paid on the basis of the real-time rental price on the day of the vehicle. HEC has many different applications, it can provide good dispersion and stability to various substrates in the coating. HEC, Hydroxyethyl Cellulose for paint, HEC as thickner in painting Santo Chemical Limited , https://www.santchem.com