PDD vs SGLB

PDD Holdings Inc.

Pinduoduo Inc., through its subsidiaries, operates an e-commerce platform in the People's Republic of China. It operates Pinduoduo, a mobile platform that offers a range of products, including apparel, shoes, bags, mother and childcare products, food and beverage, fresh produce, electronic appliances, furniture and household goods, cosmetics and other personal care items, sports and fitness items, and auto accessories. The company was formerly known as Walnut Street Group Holding Limited and changed its name to Pinduoduo Inc. in July 2018. Pinduoduo Inc. was incorporated in 2015 and is headquartered in Shanghai, the People's Republic of China.

Sigma Labs Inc.

Sigma Labs, Inc., a software company, provides in-process quality assurance software to the additive manufacturing industry under the PrintRite3D brand. It also offers PrintRite3D Lite, which has a smaller footprint and is geared towards single-laser machines for research and development, or small production lots; PrintRite3D Pro, for single, dual and quad laser machines and for environments with less than 10 machines; PrintRite3D Enterprise for plant-wide networks; and PrintRite3D for Direct Energy Deposition is based on a laser process in which a laser beam generates a melt pool on a substrate. The company also provides PrintRite3D-enabled engineering consulting services. It serves aerospace, defense, oil and gas, bio-medical, and power generation industries. The company was formerly known as Framewaves Inc. and changed its name to Sigma Labs, Inc. in September 2010. Sigma Labs, Inc. was incorporated in 1985 and is headquartered in Santa Fe, New Mexico.