Speed reducer

- Delivery time:

+ The inner city (Hai Phong) order will be delivered the day after the salesperson confirms

+ Orders for the city (Hanoi & Ho Chi Minh City) will be delivered within 2-3 days after the salesperson confirms

+ Orders outside the province usually take at least 3 - 4 working days (excluding Saturday, Sunday or holidays).

- We commit 100% genuine goods, products with anti-counterfeit stamps, product information, clear and complete bar codes.

- Delivery nationwide, flexible payment, free delivery for all orders from 500,000 VND or more. 5% discount for customers who pay by wire transfer.

- 24 hour customer care and support through Hotline: 0963.161.864

- 100% money back guarantee for all cases that are irritated by Yen's products.

- Commitment to refund 100% if the product has banned substances, toxic substances in the product.