Ningbo hua an building matersals smelting Ltd. is Second installation company fo ningbo, found in june 1997. Total current assets are 85 million yuan and fixed assets reached 50 million yuan with registered capital of 25. 5 million yuan. Floor space covers 50, 000 square meters and company has employied 450 staff. And it is a professional company in developing XPG-UPVC sandwich foam pipes, PVC-U drainage pipes, PvC-U spira casing silencers pipes, PVC-U insulation and fire retardant bushings, PP-R hot and cold water pipes, PE water pipes, double-wall corrugated pipes, reinforced pipes and PVC-C burial type high tension power and cable bushings and pipe fittings.

To ensure the qualith of products, the company established a self-test center to improve the quality management system for the pass of ISO-2000 quality system certification. Prouducts have strictly enforced standards of GB/T16800-1997, GB/T5836. 2-92, QB/T2480-2000, JG3050-1998, passing technology identification of Provincial Construction Department and the detection of Nation Chemical Testing Center.