B2B Sourcing — Transparent FOB Pricing & Landed Cost
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Commodity-Linked Pricing Model

Transparent pricing based on real commodity market data. Every product price is traceable to raw material benchmarks, converting costs, and a clear margin structure.

Commodity data: SunSirs & Mysteel — March 13, 2026 • Rate: 1 USD = 7.2 CNY
112
SKUs Analyzed
5
Product Categories
14
Commodity Benchmarks
38%
Avg. Material Share

1. Commodity Benchmark Reference

Public market prices used as the basis for material cost estimation. All prices are China domestic spot unless otherwise noted.

Material Benchmark CNY/ton USD/kg Trend Source Note
Kraft Paper / Pulp Kraft Pulp (SHFE) 5,220 $0.725 Stable SunSirs / SHFE Shanghai Futures Exchange kraft pulp settlement
Corrugated Base Paper Corrugated Base Paper (CN Spot) 2,764 $0.384 Stable SunSirs China domestic spot price
Wood Pulp (Softwood) Softwood Pulp (CN Spot) 4,600 $0.639 Flat SunSirs China domestic spot — used for tissue, writing paper, labels
Thermal Paper (Coated) Wood Pulp + Thermal Coating (est.) 3,800 $0.528 Stable Estimated from pulp + coating premium Thermal coating adds ~30% premium over base pulp
Coated Art Paper Coated Paper (CN Spot) 5,800 $0.806 Stable Estimated from market data For wrapping paper, art paper, label face stock
LDPE LDPE (CN Spot) 10,833 $1.504 Declining SunSirs Bubble mailers, poly films
HDPE HDPE (CN Spot) 8,813 $1.224 Slight up SunSirs Plastic bags, trash bags
LLDPE LLDPE (CN Spot) 8,458 $1.175 Declining SunSirs Stretch film, pallet wrap
Polypropylene (PP) PP (CN Spot) 8,660 $1.203 Volatile SunSirs Non-woven bags, spunbond fabric
PET PET (CN Spot) 8,965 $1.245 Rising SunSirs Food trays, blister packaging
PVC PVC (CN Spot) 5,694 $0.791 Rising SunSirs Cling film, food wrap
Cotton Yarn Cotton Yarn 32s (CN Spot) 22,967 $3.190 Stable SunSirs Polo shirts, t-shirts, canvas bags
Cotton (Lint) Cotton 3128B (CN Spot) 16,847 $2.340 Stable SunSirs Raw cotton fiber benchmark
Polyester Fiber PET Fiber (estimated) 8,200 $1.139 Stable Estimated from PET spot Vests, uniform blends, softshell
Jute Fiber Raw Jute (India/Bangladesh) 7,200 $1.000 Rising CommodityOnline / Price-Watch Jute bags — imported from Bangladesh/India
Hot Melt Adhesive EVA-based HMA (FOB China) 15,000 $2.083 Stable Market estimate Label adhesive component
Aluminum (Ingot) Al Ingot (CN Spot) 25,130 $3.490 Slight decline SunSirs / Mysteel Thermal bag lining, aluminum foil

2. Product Pricing Breakdown

Material Converting Overhead + Margin

All Bags Films Labels Packaging Workwear
Product SKU Material Benchmark Commodity Price Weight Mat. Cost Cost Split FOB Price Confidence Notes
Bags
Heavy Duty Canvas Tote Bags CT-STD-NAT Cotton Canvas Cotton Yarn $3.190/kg 180.0 g $0.504
57% / 25% / 18%
$0.890 High Cotton canvas fabric benchmark ~$2.80/kg
Heavy Duty Canvas Tote Bags CT-STD-BLK Cotton Canvas Cotton Yarn $3.190/kg 180.0 g $0.504
53% / 28% / 19%
$0.950 High Black dyed — slight dyeing premium
Heavy Duty Canvas Tote Bags CT-LG-NAT Cotton Canvas Cotton Yarn $3.190/kg 250.0 g $0.700
58% / 24% / 18%
$1.200 High
Embroidered Cotton Shopping Bags CE-M-D1 Cotton Canvas Cotton Yarn $3.190/kg 150.0 g $0.420
31% / 44% / 25%
$1.350 High Embroidery adds significant converting cost
Embroidered Cotton Shopping Bags CE-M-D2 Cotton Canvas Cotton Yarn $3.190/kg 150.0 g $0.420
31% / 44% / 25%
$1.350 High
Embroidered Cotton Shopping Bags CE-L-ARW Cotton Canvas Cotton Yarn $3.190/kg 200.0 g $0.560
37% / 40% / 23%
$1.500 High
Cotton Drawstring Bags & Pouches CD-S-NAT Cotton Canvas Cotton Yarn $3.190/kg 30.0 g $0.084
16% / 52% / 32%
$0.520 High Small bag — converting-dominated at low weight
Cotton Drawstring Bags & Pouches CD-M-NAT Cotton Canvas Cotton Yarn $3.190/kg 55.0 g $0.154
21% / 48% / 31%
$0.750 High
Cotton Drawstring Bags & Pouches CD-L-NAT Cotton Canvas Cotton Yarn $3.190/kg 80.0 g $0.224
23% / 47% / 30%
$0.980 High
Jute Shopping Bags JB-S 100% Natural Jute Jute Fiber $1.000/kg 100.0 g $0.100
25% / 47% / 28%
$0.400 Medium Jute fiber ~$1.00/kg (Bangladesh/India benchmark)
Jute Shopping Bags JB-M 100% Natural Jute Jute Fiber $1.000/kg 150.0 g $0.150
30% / 43% / 27%
$0.500 Medium
Jute Shopping Bags JB-L 100% Natural Jute Jute Fiber $1.000/kg 220.0 g $0.220
34% / 40% / 26%
$0.650 Medium
Non-Woven Shopping Bags NW-S Non-Woven PP Fabric Polypropylene (PP) $1.203/kg 35.0 g $0.042
14% / 54% / 32%
$0.300 High Non-woven PP — converting-intensive due to spunbond process
Non-Woven Shopping Bags NW-M Non-Woven PP Fabric Polypropylene (PP) $1.203/kg 55.0 g $0.066
15% / 53% / 32%
$0.450 High
Non-Woven Shopping Bags NW-L Non-Woven PP Fabric Polypropylene (PP) $1.203/kg 75.0 g $0.090
18% / 50% / 32%
$0.500 High

3. Pricing Methodology

How We Price Our Products

Our pricing is linked directly to commodity markets and transparent manufacturing costs. We believe buyers deserve to understand how prices are formed — not just what they are.

Material Cost (Commodity-Linked)

The base cost of every product starts with the raw material. We reference public commodity benchmarks from SunSirs (China's leading commodity data platform), Shanghai Futures Exchange, and international market indices. For each product, we identify:

  • The main raw material — kraft paper, LLDPE resin, cotton yarn, jute fiber, etc.
  • The closest public benchmark — a tradeable commodity price that tracks the actual input cost.
  • Material consumption per unit — calculated from GSM, dimensions, thickness, or known unit weights.

Material cost = unit weight (kg) × commodity price (USD/kg)

Converting Cost (Manufacturing)

Converting transforms raw material into the finished product. This includes:

  • Extrusion, cutting, die-cutting, slitting
  • Sewing, welding, lamination, coating
  • Printing, embroidery, branding
  • Assembly, QC inspection (AQL 2.5), packing

Converting cost varies by product complexity — from ~8% for ultra-simple plastic bags to ~58% for tailored uniform shirts.

Overhead & Margin

Covers factory overhead, energy, logistics coordination, certifications, and supplier margin. Typically 15-30% of FOB price.

Price Change Transparency

When commodity prices change, we communicate the impact clearly:

  • If LLDPE rises 10%, stretch film FOB adjusts by ~6.8% (68% material share × 10% increase)
  • If cotton yarn rises 15%, polo shirt FOB adjusts by ~6% (40% material share × 15% increase)
  • If kraft paper drops 5%, kraft bag FOB drops by ~2.5% (50% material share × 5% decrease)

This formula lets you anticipate price movements and plan procurement accordingly.

Confidence Levels

  • High — Direct commodity link, known unit weight, verified cost structure
  • Medium — Commodity proxy used, weight estimated, or multi-material blend
  • Low — Complex multi-material product, significant estimation required

Data Sources

  • SunSirs (sunsirs.com) — China domestic spot prices for petrochemicals, paper, metals, textiles
  • Shanghai Futures Exchange (SHFE) — Kraft pulp, aluminum futures
  • Mysteel — Steel and metals pricing
  • CommodityOnline / Price-Watch — Jute and natural fiber pricing (India/Bangladesh)

All prices are indicative benchmarks. Actual factory input costs may vary by ±5-15% depending on grade, volume, and procurement terms.

4. Formula Templates

Paper Products

For kraft bags, mailers, labels, wrapping paper, tissue paper, baking paper.

unit_weight = GSM × area_m2
raw_material_cost = unit_weight_kg × paper_price_per_kg
converting_cost = raw_material_cost × (0.6 to 1.8)   // depends on complexity
FOB_price = (raw_material_cost + converting_cost) × (1.15 to 1.35)   // overhead + margin

Example — Kraft Paper Bag Medium (KPB-M):

weight = 120 gsm × ~0.54 m² = 65g
material = 0.065 kg × $0.725/kg = $0.047
converting = ~$0.030   // bag forming, handles, printing
overhead = ~$0.022
FOB = $0.099

Plastic Products

For HDPE bags, stretch film, PVC cling film, PET trays, bubble mailers.

unit_weight = area_m2 × thickness_m × density_kg_m3
raw_material_cost = unit_weight_kg × resin_price_per_kg
converting_cost = raw_material_cost × (0.1 to 0.8)   // lower for simple films, higher for co-extrusion
FOB_price = (raw_material_cost + converting_cost) × (1.08 to 1.25)

Density references: HDPE = 950 kg/m³, LLDPE = 920 kg/m³, LDPE = 920 kg/m³, PVC = 1350 kg/m³, PET = 1380 kg/m³, PP = 900 kg/m³

Example — Stretch Film Auto (SF-500-12-AUTO):

weight = 0.5m × 2815m × 12μm × 920 kg/m³ = 15.55 kg   // actual 16.15 kg with core
material = 16.15 kg × $1.175/kg = $18.98
converting = ~$5.04   // cast extrusion, slitting, winding
overhead = ~$3.98
FOB = $28.00

Fabric / Textile Products

For cotton tote bags, jute bags, non-woven PP bags, polo shirts, t-shirts, aprons, uniforms.

fabric_weight = GSM × fabric_area_m2   // or use known unit weight
raw_material_cost = fabric_weight_kg × fabric_price_per_kg
converting_cost = cutting + sewing + printing/embroidery + QC + packing
FOB_price = (raw_material_cost + converting_cost) × (1.15 to 1.35)

Fabric price references:

Example — Cotton Canvas Tote Standard (CT-STD-NAT):

weight = 180g (known)   // includes body, handles, stitching
material = 0.180 kg × $2.80/kg = $0.504
converting = ~$0.225   // cutting, sewing, handle attachment
overhead = ~$0.161
FOB = $0.89

General Formula (Any Product)

FOB_price = raw_material_cost + converting_cost + overhead_margin

Where:
• raw_material_cost = weight (kg) × commodity price ($/kg)
• converting_cost = FOB × converting share %
• overhead_margin = FOB × margin share %

Price change impact:
• new_FOB = old_FOB × (1 + commodity_change_% × material_share_%)
Disclaimer: This pricing model uses publicly available commodity benchmarks and industry-standard assumptions. Material shares and converting costs are estimated based on typical industry ratios. Actual factory costs may vary by ±5-15% depending on grade specifications, order volume, seasonal demand, and specific supplier terms. Where exact data was unavailable, reasonable industry estimates have been used and clearly labeled. This model is intended for price transparency and procurement planning — not as a binding quotation.