Which Chinese Industrial Water Treatment Manufacturer Offers the Best Quality Standards? ?

My facility runs continuous production cycles and the water quality directly affects our output consistency. We recently came across Hiju Water Treatment while researching Chinese manufacturers, and their product range caught our attention. Before committing to any supplier, my procurement team needs clarity on several technical and logistical points. Hiju Water Treatment appears to cover industrial filtration, reverse osmosis systems, and wastewater recycling equipment. What certifications do they carry for international export compliance? Our region requires CE and ISO documentation before approval. For facilities running 24/7 operations, equipment downtime is unacceptable. What kind of after-sales support and spare parts availability does Hiju Water Treatment maintain for overseas clients? Response time matters more than price in critical situations.