sequelize how to write replacement in insert value correctly?

Question

I want to insert some values in the database but I got an error about syntax as following: sysntax error at or near ":"; How to properly add the replacement? Whrere is this error caused from? I watch also the sequelize documentation here

How make this code work??

here is the code:

 const replacements = {
        product_code:record.product_code, 
        ym_product_code:record.ym_product_code, 
        stock_type:record.stock_type, 
        stock_name:record.stock_name,
        product_name:record.product_name, 
        product_photo:record.product_photo,
        metarial_quality:record.metarial_quality, 
        explanation:record.explanation, 
        thickness:record.thickness, 
        length:record.length, 
        diameter:record.diameter, 
        category:record.category, 
        color:record.color, 
        unit:record.unit, 
        height:record.height, 
        net_kg:record.net_kg, 
        gross_kg:record.gross_kg, 
        pieces_in_box:record.pieces_in_box, 
        volume :record.volume};

 const data = await db.sequelize.query(` 
        SELECT dblink_exec('stecore_conn', '
        INSERT INTO materials (
          product_code, ym_product_code, stock_type, stock_name, product_name, product_photo,
          metarial_quality, explanation, thickness, length, diameter, category, color, unit,
          height, net_kg, gross_kg, pieces_in_box, volume
        )
        VALUES (
          :product_code, :ym_product_code, :stock_type, :stock_name, :product_name,
          :product_photo, :metarial_quality, :explanation, :thickness, :length, :diameter,
          :category, :color, :unit, :height, :net_kg, :gross_kg, :pieces_in_box, :volume
        )
      ');
    `, {
          logging:console.log,
          type: sequelize.QueryTypes.INSERT,
          replacements
        })