As part of its continuing expansion program, Vita-Tech International, Tustin, CA, has added to its manufacturing capacity, analytical laboratory services and technical team. Customers are expected to benefit from rapid turnaround on product orders and new analytical testing processes, according to the company, which now offers heavy metals testing and microbiological testing through its quality assurance/quality control analytical laboratory. The company has also hired David Yihai Jiang, PhD as director of technical services. He will be responsible for nutraceutical formulation and development.