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Premium Water Treatment & Industrial Equipment Manufacturer

High-quality Condensate Water Recovery Devices, Reverse Osmosis Systems, and Heavy Machinery from Shandong Tonglida – ISO9001 Certified, Custom Solutions, Global Delivery.

Who We Are

Shandong Tonglida Heavy Industry Machinery Co., Ltd. is a professional manufacturer with over 10 years of experience in producing water treatment equipment and heavy industrial machinery. As a nationally recognized “High-Tech Enterprise” and “Technology Innovation Enterprise,” we are committed to delivering reliable, efficient, and sustainable solutions.

We are proud members of the Water Treatment Association and serve clients across industries including pharmaceuticals, hospitality, energy, and municipal water supply.

  • ISO9001 Certified Quality Management
  • In-house R&D and Design Team
  • Advanced Manufacturing & Testing Facilities
  • Lifetime Warranty & After-Sales Support
Factory and Equipment

Why Choose ZGTLD?

High Quality

Strict quality control system with professional test lab. RoHS and ISO9001 certified manufacturing processes ensure reliability and safety.

Advanced Manufacturing

Equipped with automated machinery and precise process control to deliver consistent, high-performance equipment beyond your expectations.

Custom Development

Our internal design team collaborates with clients to develop tailored water treatment and industrial solutions for unique requirements.

100% Service

From FOB to DDP, small batches to bulk orders, we offer full logistics and after-sales support with a lifetime warranty commitment.

Our Top Products

Condensate Recovery System Best Seller

Condensate Recovery System

Fully automatic control for energy savings. Ideal for industrial boilers and HVAC systems.

  • Capacity: 1T/H – 100T/H
  • Control: PLC Automatic
  • Certification: ISO9001
Reverse Osmosis Equipment

Reverse Osmosis System

Hydrocarbon-free purification for clean water systems. Desalination rate ≥97-98%.

  • Capacity: 3000L/H
  • Membrane: Low-Pressure Type
  • Application: Ultrapure Water
Fully Automatic Water Softener

Fully Automatic Water Softener

Dual tank system for continuous water production. Ideal for hotels and industrial use.

  • Regeneration: Fully Automatic
  • Control: PLC
  • Warranty: 1 Year
Ultrafiltration System

0.01-0.1μm Ultrafiltration System

Retains essential minerals while purifying tap water. Ideal for community and school supply.

  • Capacity: 5000L/H
  • Control: Automatic
  • Service: OEM/ODM Available
Industrial Sand Filter

Industrial Sand Filter

Robust filtration for pre-treatment in RO and softening systems. Durable carbon or stainless steel.

  • Pressure Range: 0.2–0.6 MPa
  • Material: Carbon/Stainless Steel
  • Certification: ISO9001
Chemical Dosing Device

Chemical Dosing Device

Precise chemical injection for pH control, disinfection, and scale inhibition in water systems.

  • Control: Automatic
  • Application: Water Treatment
  • Customization: Available
Container Flipper

Container Flipper

Heavy-duty equipment for efficient container handling in logistics and manufacturing.

  • Type: Electric/Hydraulic
  • Capacity: Customizable
  • Warranty: 1 Year
Air Compressor Heat Recovery

Air Compressor Heat Recovery

Energy-saving system that recycles waste heat for water heating and space heating.

  • Efficiency: Up to 90%
  • Application: Industrial
  • Custom Design: Available
10+
Years Experience
50+
Countries Served
ISO9001
Certified
100%
Customer Support

Frequently Asked Questions

What types of water treatment systems do you offer?

We manufacture Condensate Water Recovery Devices, Reverse Osmosis Equipment, Fully Automatic Water Softeners, Industrial Sand Filters, Chemical Dosing Devices, and more.

Are your products customizable?

Yes, we offer OEM, ODM, and full customization services. Our R&D team works with clients to develop tailored solutions.

What certifications do you hold?

We are ISO9001 certified and comply with RoHS standards. Our quality control system ensures every product meets international requirements.

What is your after-sales service policy?

We offer a lifetime warranty, timely response, and regular return visits as part of our after-sales commitment.

How can I request a quote?

Visit zgtld.com to submit your requirements or contact us directly via WhatsApp or email.

Get in Touch

Have questions or need a customized solution? Contact us today for expert support and competitive pricing.

Contact Person: Bai
Phone: +86 136-5548-8590
WhatsApp: +8615053878526

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