For preterm and low-birth-weight babies, medical professionals often recommend special preterm or low-birth-weight infant formulas that can provide extra nutrition and support their healthy growth. Here are some brands of formula for preterm and low-birth-weight infants:

1. Meiji: The brand offers formula products designed for preterm and low-birth-weight infants, such as Meiji Preterm Infant Formula.

2.

Abbott: Abbott also offers special formulas for preterm and low-birth-weight infants, such as Abbott's preemie formula.

3. Nestle: Some of Nestle's brands, such as Wyeth, also offer formulas for preterm and low-birth-weight babies in the Chinese market.

4.

Nutriprem 2: This is a formula specially designed for preterm babies with higher protein and energy to meet the nutritional needs of preterm babies.

5.

Enfamil EnfaCare: This is a formula designed for low birth weight babies, providing extra protein, vitamins and minerals to boost their development and growth.

6. Similac NeoSure: This is another formula designed for preterm infants with high protein, energy and specific nutrients to support the healthy growth of preterm infants.

7.

Aptamil Premature: This is a formula designed for preterm and low-birth-weight infants, offering a specific combination of nutrients to meet their needs.