B. 5 years warranty for mechanical parts, 1 year warranty for electrical and wearing parts.
C. Provide customers with free training on machine operation and maintenance.
If the buyer or user hires non-seller personnel to disassemble or repair the machine without the seller's consent, the warranty period shall not apply.
If the buyer or user hires non-seller's personnel to dismantle or repair the machine without the seller's consent, the warranty will be automatically terminated.