/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: HlaOo https://cdn.slidesharecdn.com/profile-photo-HlaOo-48x48.jpg?cb=1598013109 -Domestic, commercial and industrial air con and refrigeration, cold storage, design, fabrication, installation, repair and maintenance, operation. -Arc welding 6G, gas welding, TIG welding -Electronic repairing -Modern rice mill installation, maintenance and repairing. http://www.texchemgroup.com