英文翻译：日本客户对产品的外观要求非常苛刻

日本客户对产品的外观要求非常苛刻
Japanese customers are extremely demanding on surface quality of products.

注：Surface Quality = 外观要求；表面质量

Customers from Japan are very strict to the appearance of the products.

The Japanese clients have very strict requirements/regulations on the appearence of the products.

Japanese clients are very harsh on the outer packing of the product