1.On a regular basis or as per your request,we entrust national testing agencies to conduct quality inspections.

2.Strictly in accordance with the ISO9001-2008 international quality system standard,we monitor and manage the whole process throughout production,quality testing,and measurement to ensure product quality.

3. For quality-related construction delay or substandard construction(except for damage or losses due to customer's responsibility or irresistible natural disasters),we have refunding,replacement,and repair services.We will respond to customers' feedbacks on quality issues within 24 hours.