Jianlang. Ruimei and Kin Long are both companies engaged in construction hardware, but Kin Long is better.

1. Kinlang Company was founded in 2003. The company has more than 16,000 employees and more than 60 subsidiaries. The company has nearly 1,000 sales and service agencies at home and abroad, and its products are exported to more than 100 countries and regions. It has a large brand and guaranteed after-sales service. Zhejiang Ruimei Hardware Co., Ltd. was established on November 1, 2012. Its business scope is hardware product manufacturing; hardware product wholesale, etc. The company's strength is not as good as Jianlang.

2. Jianlang’s products are diversified, including curtain walls, doors, windows and construction accessories. Ruimei's products focus on door and window hardware.