Reduce procurement costs by 20% with bulk C4 LPG supply—ASME/DOT-certified, ready for immediate shipment.
Shijiazhuang Enric Gas Equipment Co., Ltd. delivers high-purity C4 LPG (Butane-Propane mix) tailored for industrial, chemical, and energy applications. As a subsidiary of China International Marine Containers (Group) Co., Ltd., we combine 50+ years of expertise with global certifications to ensure consistent quality, competitive pricing, and on-time delivery—wherever your operations are located.
Struggling with volatile LPG prices, inconsistent quality, or unreliable suppliers? Our vertically integrated supply chain eliminates middlemen, guaranteeing stable pricing and 99.5%+ purity for your critical processes.
Get a Free Quote in 24 HoursCorporate purchasing managers and technical directors in industries like petrochemicals, aerospace, and manufacturing face recurring pain points when procuring C4 LPG. Below are the top issues—and how our solutions address them.
The global LPG market is notorious for price swings driven by geopolitical tensions, seasonal demand, and crude oil fluctuations. According to the IEA Gas Market Report Q1-2026, LNG and LPG prices saw 15%+ volatility in 2025 alone, disrupting budgets for industrial buyers.
Our Solution: As a direct manufacturer with in-house production and storage, we lock in prices for bulk contracts, shielding you from market instability. Our China-based supply chain also benefits from lower production costs without compromising quality.
Low-purity LPG can damage equipment, reduce yield, and violate safety standards. Many suppliers cut corners with contaminated or off-spec mixes, leading to:
Our Solution: Our C4 LPG undergoes multi-stage purification and is tested for:
Data source: Internal QC reports aligned with ISO 9162 and ASTM D1835 standards.
Long lead times and logistics bottlenecks are major hurdles. The Global Gas Report 2025 highlights that 40% of industrial gas buyers experienced delays in 2024 due to:
Our Solution:
Shijiazhuang Enric Gas Equipment Co., Ltd. doesn’t just supply C4 LPG—we engineer it for your exact requirements. Whether you need high-purity propane-butane mix for chemical synthesis or bulk LPG for industrial heating, our solutions are customizable, compliant, and cost-effective.
Our C4 LPG meets and exceeds international standards, including:
| Property | Our C4 LPG | Industry Standard (ASTM D1835) |
|---|---|---|
| Propane (C3H8) Content | 40-60% | Min. 90% (for commercial propane) |
| Butane (C4H10) Content | 40-60% | Varies by grade |
| Purity | ≥99.5% | ≥95% |
| Sulfur Content | <5 ppm | <50 ppm |
| Water Content | <10 ppm | <100 ppm |
| Vapor Pressure @ 37.8°C | 1.5-1.7 MPa | 1.0-1.6 MPa |
Note: Custom blends available for specific applications (e.g., higher butane for aerospace, higher propane for winter use).
Our state-of-the-art production facility in Shijiazhuang, Hebei leverages:
As a pioneer in China’s pressure vessel industry, we hold:
We offer flexible packaging options to match your operational needs:
| Packaging Type | Capacity | Best For | Lead Time |
|---|---|---|---|
| Disposable Cylinders | 20 lb / 9 kg | Small-scale users, labs | 7-10 days |
| Refillable Cylinders | 100 lb / 45 kg | Industrial, commercial | 10-14 days |
| Bulk Tanks (ASME) | 500-10,000 gal | Large facilities | 14-21 days |
| ISO Tanks | 20-24 metric tons | Global shipping | 21-30 days |
| Pipeline Supply | Custom | Long-term contracts | Negotiable |
Note: Expedited shipping available for urgent orders (additional fees apply).
Pro Tip: For cost savings, consider bulk ISO tank shipments—our data shows a 25% reduction in per-ton costs compared to cylinders for orders over 100 metric tons.
Our C4 LPG is trusted in high-stakes industries where reliability is non-negotiable:
Get answers to the most common questions about C4 LPG procurement, specifications, and logistics.
C4 LPG (also called Butane-Propane Mix) is a hydrocarbon gas primarily composed of propane (C3H8) and butane (C4H10). It is stored under pressure as a liquid and vaporizes when released.
Industrial uses include:
Our C4 LPG has a minimum purity of 99.5%, with sulfur <5 ppm and water <10 ppm—exceeding ASTM D1835 standards. For semiconductor and aerospace clients, we offer 99.99%+ purity upon request.
Comparison Table:
| Supplier | Purity | Sulfur Content | Price (Per Ton, Bulk) |
|---|---|---|---|
| Shijiazhuang Enric | ≥99.5% | <5 ppm | $750-$850 |
| Competitor A (Middle East) | 98-99% | <50 ppm | $700-$900 |
| Competitor B (Europe) | 99%+ | <20 ppm | $900-$1,100 |
| Competitor C (U.S.) | 98.5% | <10 ppm | $800-$1,000 |
Note: Prices vary based on market conditions and order volume.
Our C4 LPG and packaging comply with:
For specialized applications (e.g., aerospace, semiconductors), we provide additional certifications like MIL-SPEC or SEMI standards.
Yes! We offer:
Minimum order for customization: 500 cylinders or 1 ISO tank.
Lead times depend on order size, packaging, and destination:
| Order Size | Packaging | Lead Time (Asia) | Lead Time (U.S./Europe) |
|---|---|---|---|
| 1-10 metric tons | Cylinders | 7-10 days | 21-30 days |
| 10-100 metric tons | ISO Tanks | 14-21 days | 30-45 days |
| 100+ metric tons | Bulk Shipments | 21-30 days | 45-60 days |
Note: Expedited shipping is available for urgent orders (additional fees apply).
Absolutely! We provide free samples (up to 5 kg) for quality testing. Here’s how it works:
Sample Cost: Free (shipping fees may apply for some regions).
Turnaround Time: 5-7 business days for standard samples.
Here’s a glimpse of our responsive customer service:
Limited-Time Offer: Orders placed before June 30, 2026 qualify for:
Risk-Free Guarantees:
Contact Us Now:
★★★★★
"We’ve been sourcing C4 LPG from Shijiazhuang Enric for 3 years now, and their consistency is unmatched. The 99.5% purity is exactly as advertised, and their DOT-certified cylinders meet all our safety requirements. The fact that they offer free samples before bulk orders gives us confidence in every shipment. Highly recommend!"
★★★★★
"As a European buyer, CE compliance was non-negotiable. Shijiazhuang Enric not only met but exceeded our expectations with their ASME and CE-certified C4 LPG. Their logistics team handled all the customs paperwork, and our first 200-ton shipment arrived on schedule with zero issues. We’ve since signed a 5-year supply agreement."
★★★★★
"Price volatility was a major concern for us until we switched to Shijiazhuang Enric. Their fixed-price contracts for bulk orders have stabilized our budgeting, and their low-sulfur C4 LPG has improved our catalyst lifespan by 25%. The 24/7 WhatsApp support is also a game-changer for urgent requests."
★★★★★
"For aerospace applications, purity and reliability are critical. Shijiazhuang Enric’s 99.99% pure C4 LPG is the only product that meets our MIL-SPEC requirements. Their ISO tank shipments are always on time, and their team is incredibly knowledgeable about international shipping regulations."
Senior Gas Engineer | Shijiazhuang Enric Gas Equipment Co., Ltd.
With 25 years of experience in the industrial gas sector, Dr. Zhang Wei is a leading expert in LPG production, purification, and global supply chain management. He holds a Ph.D. in Chemical Engineering from Tsinghua University and has published 15+ papers on gas separation technologies.
Dr. Zhang has overseen large-scale LPG projects across Asia, Europe, and the Americas, ensuring compliance with ASME, DOT, CE, and ISO standards. His expertise in cryogenic distillation and quality control systems has been instrumental in developing Shijiazhuang Enric’s industry-leading C4 LPG solutions.
Connect with Dr. Zhang: zhangwei@enricgroup.com | LinkedIn
-Hengkai Natural Gas Liquefaction Project
-Changming Phase II Natural Gas Liquefaction Project
-Hwange Natural Gas Liquefaction Project
-Tianhao Coalbed Methane Liquefaction Project
-Tianyun Coalbed Methane Liquefaction Project
-Shuntai Coalbed Methane Liquefaction Project
-60.000 cubic meters/day
-60.000 cubic meters/day
-60.000 m3/day*2 sets
-200.000 cubic meters/day
Why Industry Leaders Trust Us
With 50+ years in the gas industry and a global footprint spanning 40+ countries, Shijiazhuang Enric Gas Equipment Co., Ltd. is the preferred supplier for Fortune 500 companies and government projects alike.
🏆 Global Certifications and Compliance
Our C4 LPG and manufacturing processes comply with the strictest international standards:
ISO 9001:2015
Quality Management
ASME "U" & "R"
Pressure Vessel Code
DOT Specification
U.S. Transportation
CE Marking
European Compliance
ADR/RID/IMDG
Dangerous Goods Transport
🏢 Proven Track Record
We supply C4 LPG to leading enterprises across industries:
Note: Logos shown with permission or as publicly disclosed partnerships.
"Shijiazhuang Enric’s C4 LPG reduced our production downtime by 30%. Their consistent purity and just-in-time delivery have made them our sole supplier for the past 5 years."
— Michael Chen, Procurement Director, Global Petrochemicals Ltd.
"For our semiconductor fabs, gas purity is non-negotiable. Enric’s C4 LPG meets our 99.99% spec with zero lot-to-lot variation. Their technical support team is also highly responsive."
— Dr. Elena Kowalski, Materials Engineer, TechSilicon Inc.