	tseng tsng sees sales increase first qtr tseng laboratories inc said it expects first quarter sales to exceed total sales for the entire year and said it expects ings for the quarter to grow at a faster rate than sales tseng posted total revenues for of and net income of or cts per share jack tseng president of the company attributed the high expectations to increased orders from major costomers as well as accelerated business from its growing reseller network tseng posted first quarter sales of and net income of the company said reuter 
