What grade does Pinell furniture belong to?

Piner Furniture, founded in 1998, is a self-operated furniture brand under Chengdu Sheng Rui Wood Industry Co., Ltd. ... The brand mainly involves office furniture, hotel furniture, public furniture, home furniture, soft decoration and other fields. After years of development, Piner Furniture has a group of loyal consumers and established a good reputation in the industry. Excellent product design, exquisite workmanship and high quality.