Cast Iron Log Fire – Trusted Wholesale Manufacturer & OEM Partner (2026)
Are you sourcing a cast iron log fire for your US or European brand, but struggling with inconsistent quality, long lead times, or minimum order barriers? As a vertically integrated foundry and export company based in Hebei, China, SHIJIAZHUANG TJJ TRADE CO.,LTD. has supplied durable, code-compliant cast iron fireplace products to distributors and brand owners across North America, Europe, South America, and Africa for over two decades. This page details our factory-direct capabilities — from sand casting to finished cast iron log fire units — with transparent MOQ, lead time, and OEM/ODM terms. Whether you need a private-label log burner, a fire pit insert, or a classic fire basket, we deliver consistent metallurgy, finish quality, and logistics support.
Senior Casting Engineer & Export Quality Manager — 18 years in ferrous foundry & international trade. David oversees technical compliance for TJJ’s cast iron product lines and has personally audited more than 120 casting batches for US and EU buyers.
Why Import Managers & Brand Owners Switch Suppliers for Cast Iron Log Fire
Every procurement season brings familiar headaches. Let’s address the three most common pain points we hear from our clients — and how TJJ’s foundry approach eliminates them.
Many traders source from multiple small foundries, leading to variation in iron grade, wall thickness, and surface finish. This creates returns, customer complaints, and brand damage.
We own our foundry (20+ years continuous operation). Every melt is tested for carbon equivalent and tensile strength. Wall thickness tolerance ±0.5 mm ensures consistent thermal performance.
Peak season (March–October) often stretches lead times to 60–90 days from traders who don’t control production. Missed shelf dates mean lost revenue.
Our foundry covers 15,000 m² with 120+ skilled workers. Standard lead time for cast iron log fire products: 35–45 days (FOB Tianjin). Rush orders accepted with confirmed slot.
Many suppliers offer only stock models. Brand owners need unique profiles, logos, or finish colors to differentiate in the US market.
From your CAD/PDF to finished product with your brand logo, packaging, and compliance labels. We handle pattern making, casting, machining, coating, and assembly.
Our Cast Iron Log Fire Product Range & Technical Specifications
All products are manufactured using Grade 250 grey cast iron (ASTM A48 Class 30B equivalent) or ductile iron 65-45-12 upon request. Below is a comparison of our most requested categories.
| Product Type | Typical Weight | Wall Thickness | Max Heat Output* | Finish Options | MOQ |
|---|---|---|---|---|---|
| Cast Iron Log Fire Insert | 45–85 kg | 8–12 mm | 18–28 kW | Matt black / Graphite / Silver hammer | 200 pcs |
| Cast Iron Fire Basket / Log Grate | 12–30 kg | 6–10 mm | 10–18 kW | Black / Bronze / Custom RAL | 300 pcs |
| Cast Iron Outdoor Fire Pit | 22–50 kg | 6–8 mm | 12–22 kW | Weather-resistant powder coat / Patina | 150 pcs |
| Custom OEM Design | As spec | As spec | Calculated per design | Any RAL / Texture / Logo emboss | 500–1000 pcs |
* Thermal output values are indicative and depend on installation, fuel type, and local chimney configuration. Please refer to the order confirmation for final engineering data.
Factory Strength: 20+ Years of Cast Iron Excellence
- Founded: 2004 (foundry operations), 2012 (export company)
- Employees: 120+ (including 8 senior metallurgists, 12 quality inspectors)
- Area: 15,000 m² facility with resin sand casting, CNC machining, and powder coating lines
- Monthly Capacity: 180 metric tons of finished iron castings
- Compliance: ISO 9001:2015 certified foundry; products comply with applicable US CPSC guidelines for solid fuel appliances when specified
- Export Markets: USA, Canada, UK, Germany, France, Australia, South Africa, Brazil, Chile
🔍 Did you know? TJJ was among the first foundries in Hebei to adopt spectrometric composition analysis for every melt batch. Each cast iron log fire product has a heat number traceable to the casting date and operator.
OEM/ODM Capabilities & Commercial Terms (2026)
We accept CAD, PDF, or sample-based design. In-house pattern shop can produce wooden or resin patterns in 10–15 days. Logo emboss, laser engraving, and custom packaging available.
Standard MOQ: 200–300 pcs per SKU for existing designs. OEM/ODM projects: 500–1000 pcs depending on complexity. Trial orders (50–100 pcs) negotiable for new partners.
35–45 days for confirmed orders (FOB Tianjin). Sample lead time: 20–25 days including pattern making. We offer a production schedule dashboard for repeat clients.
Each cast iron log fire unit is individually wrapped with EPE foam, corner protectors, and placed in export-grade carton or plywood crate. 20 GP / 40 HQ container loading plans provided before shipping.
T/T (30% deposit, 70% against copy of B/L) or L/C at sight for qualified buyers. FOB Tianjin / CIF to major US ports (Los Angeles, Savannah, New York). Ask about our volume discount tiers for annual contracts.
12-month warranty against casting defects (blowholes, cracks, excessive porosity). Technical documentation (installation manual, parts diagram) included. We keep spare patterns for 5 years after final order.
✔ Compliance & Certification – What You Need to Know for the US Market
Our cast iron log fire products are manufactured under ISO 9001:2015 quality management systems. Depending on your target market and product type, we can support the following compliance requirements:
- USA: Our design and material selection follow general guidelines of UL 127 (factory-built fireplace) and UL 737 (fireplace inserts) where applicable. We provide material test reports and installation instructions to assist your NRTL evaluation.
- EPA / CARB compliance: For wood-burning appliances, we work with your design team to meet Step 2 emission standards when required.
- International: CE marked under Construction Products Regulation (CPR) for EU buyers; Australian AS 2918 compliance documentation available upon request.
- Material safety: All coatings are RoHS compliant. Lead-free and heavy-metal-free upon specification.
ⓘ Disclaimer: Certification testing and listing are the responsibility of the buyer/importer unless explicitly included in the order contract. TJJ provides all technical data, material certifications, and manufacturing records to support your certification process. Please confirm exact compliance scope with our sales team before ordering.
What Our Buyers Say About TJJ Cast Iron Log Fire Products
We’ve shipped over 50,000 cast iron fireplace units since 2018. Here is feedback from real procurement professionals we work with.
★★★★★
“We switched to TJJ in 2022 after persistent wall-thickness issues with our previous Chinese supplier. Their cast iron log fire inserts have been consistent across 6 containers now. The metallurgy reports match our incoming inspection every time. Lead times have been within 40 days, which keeps our warehouse planning on track.”
★★★★★
“TJJ handled our custom OEM design for a line of cast iron log fire baskets with our brand logo cast into the front plate. The pattern development took 12 days, and the samples matched our CAD within 1 mm tolerance. We’ve just placed a third order. Their communication is direct and honest.”
★★★★☆
“I’ve sourced cast iron products from four different Chinese foundries. TJJ stands out for their quality control documentation — every shipment comes with chemical composition reports and dimensional inspection sheets. Their cast iron log fire units are well-packed, and we’ve had less than 1% damage rate in transit.”
★★★★★
“We needed a supplier who could handle both decorative iron fencing and cast iron log fire products — TJJ does both from the same factory. That simplifies our auditing and reduces our vendor list. The MOQ flexibility (250 pcs for our first order) let us test the market without overcommitting.”
★★★★☆
“What convinced me was TJJ’s willingness to adjust the finish formula to match our color standard. We’re very particular about the texture of the matt black coating on our cast iron log fire pits. After three lab samples, they hit it exactly. The production run was delivered on the agreed week.”
★★★★★
“Australian standards for solid fuel appliances are tough. TJJ provided all the material traceability we needed to submit for AS 2918 certification. Their team understood our requirements from the first call. We’ve now placed 4 repeat orders for their cast iron log fire range.”
Choosing the Right Cast Iron Log Fire for Your Market
cast iron log stove cast iron log wood stove cast iron wood burning fire place
Different end-users have different priorities. Here is how we help our B2B partners select the right product configuration.
Best for: Homeowners replacing old open fires.
Key specs: Deep combustion chamber, air wash system, 80%+ efficiency. Recommend our insert series with 8 mm wall thickness and ceramic glass.
Best for: Patio, garden, hospitality venues.
Key specs: Weather-resistant powder coat, removable grate, spark screen. Our OFP series is popular with US landscape supply chains.
Best for: Open masonry fireplaces, rustic decor.
Key specs: Heavy-duty bars (10 mm), raised legs for airflow. Ideal for decorative iron wholesalers who already carry TJJ’s ornamental lines.
Best for: Hotels, restaurants, lodges.
Key specs: Extra-heavy construction, custom dimensions, 12 mm minimum wall thickness. We offer dual-fuel (wood/gas) compatible designs.
Left to right: Quality team reviewing castings · Sand casting production line · Finished cast iron log fire units ready for packaging.
📋 Why TJJ Earns Trust from Cast Iron Log Fire Buyers Worldwide
- 20+ years of casting experience — not a trader, but a fully owned foundry with continuous operation since 2004.
- Third-party audited: ISO 9001:2015 certified. Open to on-site or remote factory audits by your quality team.
- Export compliance record: Over 1,200 container shipments to 30+ countries with 99.3% on-time delivery rate (2023–2025 internal data).
- Technical support: Our engineering team responds to design queries within 24 business hours. We provide casting simulation reports for complex OEM parts.
- Conflict-free supply chain: All iron raw materials sourced from certified mills within Hebei province. No use of recycled scrap with unknown provenance.
Ready to Source Your Cast Iron Log Fire Program for 2026?
Contact our export team for a product catalog, FOB quotation, or free sample evaluation. We typically reply within 4 business hours.
SHIJIAZHUANG TJJ TRADE CO.,LTD. · Shijiazhuang, Hebei, China · Foundry & Export Since 2004
FAQs – Sourcing Cast Iron Log Fire from China
Q: Can you match a specific design I already sell?
A: Yes. We offer OEM casting based on your sample, CAD file, or dimensional drawing. Our pattern shop creates the tooling, and we submit a pre-production sample for your approval before mass production.
Q: What is the minimum order for a new cast iron log fire design?
A: For a completely new OEM design, typical MOQ is 500–1,000 units. If you choose an existing design from our catalog, MOQ starts at 200–300 units. Trial orders of 50–100 pieces can be considered for long-term partnership discussions.
Q: How do you handle quality control for US safety requirements?
A: We provide material composition certificates, dimensional inspection reports, and photos of the QC process for each batch. For UL/EPA certification, we supply all technical documentation needed — but the actual listing test must be conducted by a recognized NRTL. Many of our clients use our data as the basis for their certification submission.
Q: What are your payment terms for first-time buyers?
A: Standard terms are 30% T/T deposit with order, 70% against copy of shipping documents. L/C at sight is also accepted from established banks. For large annual contracts, we can discuss structured payment schedules.
Q: Can you add my brand logo to the cast iron log fire?
A: Absolutely. We can cast your logo into the iron during the molding process (raised or recessed), laser engrave it after casting, or apply a decal/plaque. Custom packaging with your brand artwork is also part of our standard OEM service.
